Samsung SSD 9100 PRO 2TB
4.7Editor score
PCIe 5.0 x4 interface
Up to 14,700MB/s reads
In-house DRAM components
In this guide
An SSD with DRAM cache can deliver more consistent performance than a drive that relies entirely on flash-based caching, especially during sustained file transfers, multitasking, and demanding workloads. The cache stores frequently accessed mapping data, while SLC cache can accelerate writes, but interface speed, controller quality, NAND type, cooling, and capacity also shape the real experience.
This guide compares ten internal M.2 drives selected for their relevance to the keyword, including models with dedicated DRAM, host memory buffer support, SLC caching, or a combination of these approaches. We examined published speed figures, endurance claims, interface generations, form factors, thermal features, management tools, warranty coverage, and the kinds of users each drive is designed to serve.
The list shows that the fastest interface does not always produce the best balanced purchase. Some drives emphasize everyday responsiveness and efficiency, while others target gaming PCs, creative workstations, and systems with PCIe 5.0 support. Ratings and specifications come from the supplied product information, while current prices and availability can change at any time.
Top 3 Picks for Best SSD with Dram Cache
Acer Predator M.2 SSD 2TB GM7000
4.7Editor score
Dedicated DRAM cache
Up to 7,400MB/s reads
Customized heat spreader
Lexar 2TB NM790
4.8Editor score
HMB 3.0 cache support
Up to 7,400MB/s reads
1,500TBW endurance rating
Top 10 Best SSD with Dram Cache in 2026 Compared
The comparison covers capacity, interface, rated speed, cache configuration, endurance, and key buyer considerations across ten M.2 SSDs designed for different performance tiers and systems.
ProductsSpecificationsEditor scorePrice
Editor's Choice
Predator GM7000 2TB
2TB TLC NAND
PCIe 4.0 x4
7,400MB/s read
6,700MB/s write
4.7Editor score
Editor's Choice
Samsung 9100 PRO 2TB
2TB storage capacity
PCIe 5.0 x4
14,700MB/s read
13,400MB/s write
4.7Editor score
Best Budget
Lexar NM790 2TB
2TB storage capacity
PCIe 4.0 x4
7,400MB/s read
6,500MB/s write
4.8Editor score
Lexar NM790 1TB
1TB storage capacity
PCIe 4.0 x4
7,400MB/s read
6,500MB/s write
4.8Editor score
Lexar NM1090 PRO 2TB
2TB storage capacity
PCIe 5.0 interface
14,000MB/s read
13,000MB/s write
4.5Editor score
Predator GM7 1TB
1TB storage capacity
PCIe 4.0 x4
7,400MB/s read
6,500MB/s write
4.7Editor score
Lexar NM1090 PRO 4TB
4TB storage capacity
PCIe 5.0 interface
14,000MB/s read
13,000MB/s write
4.5Editor score
Kingston NV3 1TB
1TB storage capacity
PCIe 4.0 x4
6,000MB/s read
4,000MB/s write
4.7Editor score
Lexar NM1090 PRO 1TB
1TB storage capacity
PCIe 5.0 interface
14,000MB/s read
10,000MB/s write
4.5Editor score
Transcend MTS830S 512GB
512GB storage capacity
M.2 SATA interface
560MB/s read
520MB/s write
4.4Editor score
1. Predator GM7000 2TB – Balanced Cache Performance
Predator GM7000 2TB
2TB TLC NAND
PCIe 4.0 x4
7,400MB/s read
6,700MB/s write
The Acer Predator GM7000 2TB is our Editor's Choice because it combines dedicated DRAM cache, TLC NAND, strong PCIe 4.0 throughput, and a cooling-focused design in one enthusiast-oriented package. Its supplied rating is 4.7, while the advertised sequential performance reaches 7,400MB/s reads and 6,700MB/s writes. That combination makes it a credible choice for a modern gaming PC, productivity system, or compatible PS5 installation.
Pros
- Dedicated DRAM cache
- Strong sequential throughput
- Customized heat spreader
- Five-year warranty
- Useful management software
Cons
- PCIe 5.0 systems unused
- Higher capacity cost
We may earn a commission when you buy through this link, at no additional cost to you.
The dedicated DRAM cache is the centerpiece of the proposition. It helps the controller keep mapping information readily available instead of repeatedly consulting NAND for that metadata, supporting steadier operation when the operating system and applications are making many small requests. The drive uses 3D NAND TLC rather than a lower-tier NAND configuration, and its PCIe 4.0 x4 interface provides ample bandwidth for high-speed gaming libraries, project files, and large application transfers.
Thermal design matters because even a fast cache-equipped controller can lose consistency if it overheats. The GM7000 includes a customized heat spreader intended to improve heat dissipation during heavy use, while its integrated power management unit is designed to reduce energy consumption. These are meaningful details for a system that stores a large game library or runs sustained creative workloads. A five-year limited warranty and coverage up to 1,300TBW also add confidence for intensive use.
The GM7000 is not the logical choice for someone who wants the absolute fastest interface, because PCIe 5.0 drives are available in this guide. It is also more compelling with two full M.2 slots, effective airflow, and a motherboard that supports its form factor and interface. Even so, the balance of cache, endurance, speed, and thermal hardware is excellent. For most high-performance builders, this is the most complete general recommendation in the list.
Why Dedicated DRAM Matters
A dedicated DRAM cache gives the controller a fast working area for frequently requested mapping data. The supplied specifications specifically identify the GM7000 as a DRAM-cache SSD, making it a more literal match for the search term than several alternatives that instead use HMB or SLC caching.
Cooling and Endurance Support
The customized heat spreader and integrated power management unit complement the high-speed controller. A five-year warranty with stated endurance coverage of up to 1,300TBW reinforces the drive's positioning for gaming, data processing, and other demanding workloads.
We may earn a commission when you buy through this link, at no additional cost to you.
2. Samsung 9100 PRO 2TB – Ultimate PCIe 5.0 Speed
Samsung 9100 PRO 2TB
2TB storage capacity
PCIe 5.0 x4
14,700MB/s read
13,400MB/s write
Up to 1,850K read IOPS
The Samsung SSD 9100 PRO 2TB is the premium choice for buyers who need the highest interface performance in the group. It has a supplied rating of 4.7 and uses PCIe 5.0 x4 to deliver advertised sequential speeds of up to 14,700MB/s for reads and 13,400MB/s for writes. The 5nm controller and advanced thermal controls are particularly relevant because such performance puts greater pressure on both power delivery and cooling.
Pros
- Exceptional sequential throughput
- High random performance
- Efficient 5nm controller
- Magician management software
- In-house flash components
Cons
- Requires compatible platform
- May demand strong cooling
We may earn a commission when you buy through this link, at no additional cost to you.
Beyond headline transfer rates, the drive advertises random performance of up to 1,850K read IOPS and 2,600K write IOPS. Those specifications indicate a focus on quick access to many small files, which can matter more than raw sequential speed when launching applications, loading games, or manipulating active projects. Samsung also produces its firmware and components in-house, including the DRAM and NAND referenced in the supplied information, allowing tighter vertical control over the platform.
Thermal control is one of the most important trade-offs with a PCIe 5.0 SSD. The 9100 PRO uses a 5nm controller that is stated to improve power efficiency by as much as 49 percent over the 990 PRO, while advanced thermal control is intended to keep performance smooth and reliable. Even efficient hardware can run warm in a compact laptop or a poorly ventilated desktop, so buyers should confirm both physical fit and the platform's cooling provisions.
This drive is best suited to a current high-end desktop with a motherboard and processor that support PCIe 5.0. It can be valuable for AI workloads, video editing, large game libraries, and other throughput-heavy applications, while Magician Software provides firmware updates, encryption options, and drive-health monitoring. Those extras help justify the premium positioning, but the requirement for compatible hardware keeps the GM7000 or NM790 more broadly practical.
Performance for Modern Workloads
The 9100 PRO's high sequential and random figures support demanding tasks such as AI model training, real-time data processing, video editing, and large game loads. Its direct storage performance is not merely about transferring a large file once; it can also improve responsiveness when many smaller files are accessed.
Software and Component Control
Magician Software adds firmware management, encryption, and ongoing health monitoring. In-house production of firmware, DRAM, and NAND gives Samsung control across important parts of the storage stack, supporting the brand's quality-focused premium proposition.
We may earn a commission when you buy through this link, at no additional cost to you.
3. Lexar NM790 2TB – Efficient High-Speed Value
Lexar NM790 2TB
2TB storage capacity
PCIe 4.0 x4
7,400MB/s read
6,500MB/s write
1,500TBW endurance
The Lexar NM790 2TB earns the Best Budget position by combining high ratings, substantial capacity, strong PCIe 4.0 performance, and an approach designed to reduce power consumption. It carries a supplied rating of 4.8 and is rated for sequential transfers up to 7,400MB/s reads and 6,500MB/s writes. The 1,500TBW endurance figure also makes it appealing for buyers who intend to move large project files regularly.
Pros
- Highest supplied rating
- HMB 3.0 cache support
- Excellent power efficiency
- Strong endurance rating
- Large 2TB capacity
Cons
- Uses host memory buffering
- No dedicated DRAM stated
We may earn a commission when you buy through this link, at no additional cost to you.
The NM790 does not use the same dedicated DRAM configuration as the GM7000. Instead, it relies on Host Memory Buffer 3.0, which activates the DRAM cache function available in the host system to smooth transfers and maintain responsiveness. This distinction is important for buyers researching the keyword: the drive benefits from system memory for caching, but it should not be represented as having its own dedicated DRAM cache.
Efficiency is the central practical advantage. The supplied product information states that the NM790 can consume up to 40 percent less power than DRAM-cache-enabled PCIe 4.0 SSDs. That makes it interesting for laptops, compact builds, and systems where drive heat and energy use are meaningful concerns. Its performance is also advertised as twice that of PCIe 3.0 SSDs, providing a substantial upgrade for compatible machines without requiring the newest platform generation.
The 2TB capacity is a sweet spot for a large operating system, game library, and several demanding applications. It is also a straightforward upgrade for PC builders with a free M.2 2280 slot. Buyers should accept that its cache strategy is different from a dedicated DRAM model, but the combination of 4.8 rating, 1,500TBW endurance, efficient operation, and strong sequential speed makes it the most balanced value choice.
How HMB 3.0 Helps
Host Memory Buffer 3.0 allows compatible systems to use available host memory as a cache working area. The result is smoother data transfer and better responsiveness without a dedicated DRAM component, although the exact implementation can depend on the device and operating environment.
Efficiency for Everyday Builds
The stated power-efficiency advantage can be especially useful in laptops and other thermally constrained systems. It makes the NM790 a practical performance upgrade for people who do not need to pay for the platform requirements of a PCIe 5.0 drive.
We may earn a commission when you buy through this link, at no additional cost to you.
4. Lexar NM790 1TB – Compact Performer for Gaming
Lexar NM790 1TB
1TB storage capacity
PCIe 4.0 x4
7,400MB/s read
6,500MB/s write
1,000TBW endurance
The 1TB Lexar NM790 is a strong gaming upgrade for users who want a smaller and less space-intensive drive than the 2TB version. It has the highest supplied rating in the group at 4.8, along with advertised speeds of 7,400MB/s reads and 6,500MB/s writes. Those figures put it firmly in PCIe 4.0 territory, where fast game loading and responsive application access matter more than unneeded capacity.
Pros
- Highest supplied rating
- Full PCIe 4.0 speed
- HMB 3.0 support
- Improved power efficiency
- Compact one-terabyte capacity
Cons
- Less room than 2TB
- Host memory cache strategy
We may earn a commission when you buy through this link, at no additional cost to you.
Like its 2TB sibling, the drive uses Host Memory Buffer 3.0 rather than a stated dedicated DRAM cache. Compatible systems can use their own memory to support smoother transfer speeds and responsive operation. This approach also underpins the supplied efficiency claim of up to 40 percent less power consumption than DRAM-cache-enabled PCIe 4.0 SSDs, making the NM790 attractive in laptops and compact gaming desktops.
The endurance figure is 1,000TBW, which is substantial for a one-terabyte consumer drive. Buyers moving a large game catalog should still account for the fact that game installations and updates can consume more data than many routine office workloads. System-level attention, healthy free space, and sensible thermal management remain useful regardless of the advertised endurance level.
The main compromise is straightforward: 1TB offers less room for a growing game library, large video projects, and extensive media collections. For a focused gaming PC or a system that already has ample secondary storage, however, this NM790 provides an efficient path to high speed. Its 4.8 rating, strong specifications, and relatively modest storage footprint make it one of the most attractive options in the guide.
A Practical Gaming Capacity
One terabyte remains enough for an operating system, core applications, and a focused collection of games when larger files can live elsewhere. It can be a sensible way to avoid paying for unused capacity in a secondary gaming or productivity machine.
Responsiveness Without Dedicated DRAM
HMB 3.0 gives compatible devices a way to use host memory for caching. That distinction is important when comparing this drive with the GM7000, which is explicitly described as having a dedicated DRAM cache.
We may earn a commission when you buy through this link, at no additional cost to you.
5. Lexar NM1090 PRO 2TB – Cache-Enabled PCIe 5.0
Lexar NM1090 PRO 2TB
2TB storage capacity
PCIe 5.0 interface
14,000MB/s read
13,000MB/s write
DRAM and SLC caching
The Lexar NM1090 PRO 2TB is a compelling PCIe 5.0 option for buyers who want both a high-bandwidth interface and explicit DRAM cache support. It has a supplied rating of 4.5 and is advertised at up to 14,000MB/s read and 13,000MB/s write speeds. The 2TB capacity provides a useful balance for gaming, AI applications, and content creation on a modern high-end desktop.
Pros
- Dedicated DRAM cache
- Dynamic SLC cache
- Excellent sequential speed
- DirectStorage support
- Strong 2TB capacity
Cons
- Needs PCIe 5.0 hardware
- Cooling and power demands
We may earn a commission when you buy through this link, at no additional cost to you.
Its cache design is unusually relevant to this roundup. The supplied information identifies both DRAM cache and SLC Dynamic Cache, which can work together to improve transfer speed and reduce waiting during demanding operations. The drive also supports Microsoft DirectStorage, intended to improve game loads, reduce delays, conserve CPU power, and create a smoother gaming experience when the game, system, and storage stack support the feature.
Thermal management is handled through a stated 6nm controller that optimizes heat control. The NM1090 PRO is also positioned as an AI PC drive capable of reducing storage bottlenecks during model training, inference, and real-time processing. Those are meaningful advantages for specialized workloads, although they depend on the rest of the system being capable enough to keep the SSD busy.
The 4.5 rating is slightly lower than the 4.8 scores of the NM790 models, but specifications and ratings measure different things. This Lexar offers the stronger cache-oriented feature set and a newer interface, while its cost of ownership may be less appropriate for a PCIe 4.0 system. For a compatible PCIe 5.0 build, it is a strong alternative to the Samsung 9100 PRO.
Layered Cache Architecture
DRAM cache handles latency-sensitive controller information, while SLC Dynamic Cache provides an additional acceleration layer for transfers. The supplied specifications present this combination as a way to improve responsiveness and shorten waiting times.
Gaming and AI Potential
Microsoft DirectStorage support can make game data delivery more efficient on supported systems. The high interface bandwidth also gives AI training, inference, and real-time processing workloads a way to avoid becoming limited by storage throughput.
We may earn a commission when you buy through this link, at no additional cost to you.
6. Predator GM7 1TB – Efficient Cache-Supported Performance
Predator GM7 1TB
1TB storage capacity
PCIe 4.0 x4
7,400MB/s read
6,500MB/s write
HMB and SLC cache
The Acer Predator GM7 1TB combines a 4.7 supplied rating with strong PCIe 4.0 performance and a cache setup built around HMB and SLC Cache. Its advertised speeds reach 7,400MB/s for reads and 6,500MB/s for writes, making it well matched to gaming PCs, desktops, laptops, and compatible PS5 use. It also uses the M.2 2280 form factor and NVMe 2.0.
Pros
- High rated read speed
- HMB and SLC cache
- NVMe 2.0 interface
- Automatic thermal control
- Biwin management software
Cons
- No dedicated DRAM stated
- Limited one-terabyte capacity
We may earn a commission when you buy through this link, at no additional cost to you.
HMB and SLC Cache serve different purposes. Host Memory Buffer allows compatible devices to use system memory as a cache working area, while SLC Cache uses a faster portion of the flash configuration to absorb selected writes. Together, they are intended to improve game loads and file transfers. The supplied information does not identify a dedicated DRAM cache, so buyers looking specifically for onboard DRAM should note that distinction.
The GM7's controller and flash are designed for performance at lower power consumption and reduced heat. Thermal Throttling and Power Management provide automatic temperature control, which is important in laptops and other compact systems. Biwin Intelligence also adds a management utility with performance testing, data migration, drive cloning, and other storage-management features.
At 1TB, the GM7 is better suited to a focused system or an upgrade where secondary storage is already available. It provides many of the same headline benefits as larger and more expensive drives without demanding PCIe 5.0 hardware. For gamers and everyday power users seeking cache-assisted responsiveness, it is a balanced alternative to the similarly fast NM790.
Cache Options for Daily Use
The GM7 combines Host Memory Buffer with SLC Cache to support transfer speed and responsiveness. Buyers should not confuse this with the dedicated DRAM found in the GM7000, but the approach remains relevant to the broader goal of reducing cache-related delays.
Management and Temperature Control
Biwin Intelligence supports testing, migration, cloning, and general drive management. Automatic thermal throttling and power management are especially useful for preserving consistent behavior in laptops and space-constrained desktops.
We may earn a commission when you buy through this link, at no additional cost to you.
7. Lexar NM1090 PRO 4TB – Maximum High-Speed Capacity
Lexar NM1090 PRO 4TB
4TB storage capacity
PCIe 5.0 interface
14,000MB/s read
13,000MB/s write
DRAM and SLC caching
The Lexar NM1090 PRO 4TB is the option for buyers who want both substantial storage and high-end throughput. It is rated at 4.5 and advertises up to 14,000MB/s read and 13,000MB/s write performance over PCIe 5.0. Four terabytes gives it the strongest capacity in the list, making it appropriate for expansive game libraries, large project files, and systems that prefer to keep everything on one fast drive.
Pros
- Large four-terabyte capacity
- Dedicated DRAM cache
- Dynamic SLC caching
- Exceptional sequential speed
- DirectStorage compatibility
Cons
- Most expensive capacity
- Requires modern platform
We may earn a commission when you buy through this link, at no additional cost to you.
DRAM cache and SLC Dynamic Cache directly address the keyword and support responsive data movement. The combination is intended to reduce wait times and improve system responsiveness, while DirectStorage support can improve how compatible games stream and load their data. A 6nm controller is included to optimize heat control, an important consideration because the largest-capacity version may operate for extended periods during imports, backups, and game updates.
The product information also identifies the drive as suited to AMD Ryzen and Intel i9 systems, particularly for AI PCs. Storage throughput can be a bottleneck in model training, inference, and real-time data processing, and the NM1090 PRO's interface is designed to provide more bandwidth than PCIe 4.0 alternatives. Whether that advantage becomes visible depends on the application and the rest of the system.
This 4TB model is primarily for buyers with substantial storage needs and access to PCIe 5.0 hardware. Its larger capacity adds convenience by reducing the need for constant file movement, yet the ownership cost is correspondingly higher. For a well-equipped enthusiast workstation or no-compromise gaming system, it is one of the most complete specifications in the roundup.
A Single High-Speed Library
Four terabytes can consolidate operating systems, games, applications, footage, models, and project archives on one drive. That reduces repetitive copying and makes the high PCIe 5.0 bandwidth easier to exploit in bandwidth-intensive workflows.
Cache Support at High Capacity
Dedicated DRAM cache and SLC Dynamic Cache provide two complementary layers of acceleration. This makes the 4TB model more than a capacity upgrade for buyers whose workloads include frequent small-file access and sustained transfers.
We may earn a commission when you buy through this link, at no additional cost to you.
8. Kingston NV3 1TB – Straightforward General-Purpose Storage
Kingston NV3 1TB
1TB storage capacity
PCIe 4.0 x4
6,000MB/s read
4,000MB/s write
Five-year warranty
The Kingston NV3 1TB is a straightforward PCIe 4.0 upgrade for users who want fast, modern storage without stepping into the requirements of a PCIe 5.0 system. It has a supplied rating of 4.7 and advertises up to 6,000MB/s read and 4,000MB/s write speeds. Those numbers are more than sufficient for gaming, operating systems, productivity applications, and general content creation.
Pros
- Strong general-purpose speed
- Low-power NVMe design
- Acronis cloning included
- Five-year warranty
- Widely useful PCIe 4.0
Cons
- DRAM configuration unstated
- Lower write rating than peers
We may earn a commission when you buy through this link, at no additional cost to you.
The drive is described as an ideal combination of high speed and low power, with a Gen 4 x4 NVMe interface. That focus makes it a sensible choice for compatible laptops and desktops where faster boot times, quicker application launches, and responsive file access are priorities. The included Acronis cloning software also helps users move an existing system or duplicate storage during setup.
A five-year limited warranty provides useful coverage, although the supplied specifications do not identify the cache architecture or state that the NV3 includes dedicated DRAM. It should therefore not be described as a confirmed dedicated-DRAM model. Buyers who need a specific cache implementation for predictable sustained performance should verify the latest product documentation before purchasing.
Compared with the NM790 and GM7, the Kingston has slightly lower advertised read and write figures. That does not prevent it from being a good fit for ordinary workloads, especially where the system cannot fully exploit the fastest cache-assisted options. It is best viewed as a balanced, uncomplicated upgrade with solid speed and a helpful software bundle.
Simple Storage Upgrade
The NV3 is aimed at broad compatibility with PCIe 4.0 systems rather than headline-setting performance. It can provide a meaningful improvement over older SATA or entry-level NVMe storage while remaining easy for mainstream builders to understand.
Cloning and Warranty Support
Acronis cloning software simplifies duplication of an existing drive during migration. The five-year limited warranty adds a useful support commitment, although cache details and endurance information were not included in the supplied facts.
We may earn a commission when you buy through this link, at no additional cost to you.
9. Lexar NM1090 PRO 1TB – Entry to PCIe 5.0
Lexar NM1090 PRO 1TB
1TB storage capacity
PCIe 5.0 interface
14,000MB/s read
10,000MB/s write
DRAM and SLC caching
The 1TB Lexar NM1090 PRO gives buyers a way into the PCIe 5.0 category without moving to the 2TB or 4TB versions. It carries a supplied rating of 4.5 and advertises up to 14,000MB/s reads and 10,000MB/s writes. The read figure is identical to the larger models, while the write figure is lower, making capacity and workload the key factors when comparing versions.
Pros
- Dedicated DRAM cache
- Dynamic SLC cache
- Very high read speed
- DirectStorage support
- Lower-capacity PCIe 5.0 option
Cons
- Modern platform required
- Ten-terabyte-class write speed lower
We may earn a commission when you buy through this link, at no additional cost to you.
Both DRAM cache and SLC Dynamic Cache are explicitly present, providing the kind of cache hierarchy sought by users researching this keyword. The drive also supports Microsoft DirectStorage and is positioned for high-performance AMD Ryzen and Intel i9 systems. Its 6nm controller is designed to balance performance with heat control, while the high interface bandwidth can benefit gaming loads, AI workflows, and real-time data processing.
One terabyte is the main limitation. It can comfortably hold an operating system, applications, and a selected game library, but it is less attractive for users who want to consolidate large creative projects or many modern games. A secondary drive can address that need, though the benefits of placing active files on the faster PCIe 5.0 device are greatest.
This model is best understood as the capacity-conscious entry point to the NM1090 PRO family. Buyers should verify PCIe 5.0 support and plan adequate cooling. Within those constraints, it delivers a very high rated read speed, dedicated cache support, and modern gaming features without requiring the largest available capacity.
High Read Throughput for Games
A 14,000MB/s advertised read rate can reduce time spent waiting for game assets and application data on compatible systems. DirectStorage support adds another way for supported titles to take advantage of NVMe throughput.
Choosing the Right Capacity
The 1TB model suits focused builds where larger media can reside on secondary storage. Buyers building a large consolidated library may find the 2TB or 4TB version a better fit despite the additional cost.
We may earn a commission when you buy through this link, at no additional cost to you.
10. Transcend MTS830S 512GB – Compact Dedicated DRAM Option
Transcend MTS830S 512GB
512GB storage capacity
M.2 SATA interface
560MB/s read
520MB/s write
DDR3 DRAM cache
The Transcend MTS830S 512GB is the most literal interpretation of the keyword in this roundup. Its full title identifies a DRAM cache, and the supplied details specify DDR3 DRAM that holds a temporary copy of active data to shorten access times. It has a supplied rating of 4.4 and uses the compact M.2 2280 form factor with a B+M key.
Pros
- Explicit DDR3 DRAM cache
- Compact M.2 2280 design
- LDPC error correction
- 3D NAND flash
- B+M key compatibility
Cons
- Much slower than NVMe
- Limited 512GB capacity
We may earn a commission when you buy through this link, at no additional cost to you.
As an M.2 SATA III drive, it reaches up to 560MB/s reads and 520MB/s writes. Those figures are far below the PCIe 4.0 and PCIe 5.0 options, but the SATA interface may be the only one available in an older laptop, compact desktop, or system with a dedicated 2.5-inch SATA connector. In that setting, the dedicated cache and 3D NAND can still provide a major responsiveness improvement over a traditional hard drive.
Low-Density Parity Check coding supports data integrity and helps prevent corruption during transfers. That is a valuable feature for an operating-system drive, although it does not compensate for the interface limitation during sequential transfers. The 512GB capacity is also modest by current standards, so it is best used for the system drive rather than a large media collection.
The MTS830S is a compatibility purchase rather than a high-end enthusiast recommendation. It makes sense for a SATA-only machine that needs a small, fast boot drive, or as a secondary cache-oriented device where NVMe slots are unavailable. New PCIe 4.0 systems should generally favor a faster NVMe option, but this drive remains relevant when SATA support is the deciding constraint.
Why DDR3 DRAM Helps
The dedicated DDR3 cache keeps a temporary copy of frequently accessed data in fast memory. This shortens access times and can make the drive feel more responsive than SATA SSDs that rely on different cache arrangements.
Best for SATA-Only Machines
The MTS830S fills a practical gap for older laptops and desktops without NVMe support. Its 560MB/s read speed is modest by comparison, yet it can still transform boot time, application launching, and everyday responsiveness.
We may earn a commission when you buy through this link, at no additional cost to you.
Buying Guide – How to Choose the Best SSD with Dram Cache
The right SSD depends on interface compatibility, cache behavior, sustained workload, available capacity, and thermal design. These factors matter more than a single peak-speed number when choosing a drive that remains responsive under real use.
Dedicated DRAM Versus HMB
A dedicated DRAM cache is a separate memory component used by the SSD controller to store frequently needed mapping information. Host Memory Buffer takes a different approach by using compatible system memory. The GM7000 and Transcend MTS830S are explicitly described as having dedicated DRAM, while the NM790 and GM7 use HMB. Both approaches can improve responsiveness, but they are not technically interchangeable, and buyers who require onboard DRAM should verify that wording.
Choose dedicated DRAM when a drive will regularly handle many small operations or sustained mixed workloads. Consider HMB when lower power use, simpler platform requirements, and efficient everyday performance matter more than the presence of a separate cache chip.
PCIe Generation and Platform Support
The PCIe generation sets the maximum theoretical bandwidth available to the drive. PCIe 4.0 models in this guide offer up to 7,400MB/s reads, while PCIe 5.0 options reach as high as 14,700MB/s. A faster drive cannot deliver its full potential in a slower slot, so the processor, motherboard, and M.2 slot must all support the selected interface.
Check both the physical slot and the system's supported speed. A PCIe 5.0 SSD may still work in a PCIe 4.0 system, but it will operate at the lower generation. The M.2 SATA Transcend is the opposite case: it is for systems that cannot use NVMe.
Sequential and Random Performance
Sequential figures describe large, continuous transfers, while random read and write performance reflects the ability to handle many small operations. Large video files can benefit from sequential throughput, but operating systems, games, and productivity applications often depend more heavily on random access and low latency. The Samsung 9100 PRO is especially notable for advertised random performance of up to 1,850K read IOPS and 2,600K write IOPS.
Look at both categories and choose according to your workload. Do not assume that the highest sequential number automatically creates the most responsive system. A balanced drive that handles random access efficiently may feel better in ordinary use.
Capacity and Endurance
Capacity affects what a system can keep on its primary drive and how often files must be moved. This guide includes 512GB, 1TB, 2TB, and 4TB options. The NM790 2TB lists 1,500TBW, the GM7000 lists coverage up to 1,300TBW, and the 1TB NM790 lists 1,000TBW. More capacity is convenient for games and creative files, but it should be matched to realistic data movement.
Choose a capacity that leaves room to operate without constantly filling the drive. Review the stated endurance and warranty, and consider a larger or secondary drive for archives rather than expecting one internal SSD to hold every file indefinitely.
Thermal Management
Fast controllers, NAND, and cache components can generate heat under sustained workloads. The GM7000 uses a customized heat spreader, the 9100 PRO relies on advanced thermal control and a stated 49 percent power-efficiency improvement, and the GM7 includes thermal throttling and power management. Good case airflow and a suitable motherboard M.2 heatsink remain important, particularly for laptops and compact cases.
Treat thermal control as part of sustained performance, not just an accessory. If a drive regularly handles large transfers or extended creative work, give it room to dissipate heat. A cooler system is more likely to maintain its advertised speed consistently.
Workload and Compatibility
Gaming systems benefit from fast loading, DirectStorage support, and sufficient room for growing libraries. Creative and AI systems place greater emphasis on sustained throughput, thermal control, and workflow efficiency. Older computers may require the SATA-compatible MTS830S, while newer systems can take advantage of NVMe and PCIe 5.0. The listed form factors are all M.2 2280, but the key and interface must still match the host.
Confirm operating-system support, available mounting hardware, boot requirements, and data-migration needs before buying. Management features such as Magician Software, Biwin Intelligence, and Acronis cloning can also make setup and ongoing management easier.
SLC Cache and Write Behavior
SLC cache is a flash-based acceleration area that can temporarily treat selected writes as if they were stored on faster single-level cells. The GM7 and NM1090 PRO models explicitly reference SLC Cache. This can improve short bursts of writing, but sustained transfer behavior is also influenced by capacity, controller firmware, NAND characteristics, and thermal conditions.
For occasional file copies, cache behavior may be difficult to notice. For long exports, backups, and repeated writes, examine endurance and realistic sustained-speed expectations. Avoid judging a drive only by the size or duration of its advertised cache burst.
How to Use and Care for Your SSD with Dram Cache
Begin by confirming that the drive's interface, form factor, and key match the system. Check the motherboard manual or laptop specifications for M.2 2280 support, determine whether the slot is PCIe 5.0, PCIe 4.0, or SATA, and verify whether an M.2 heatsink is needed. Back up important files before cloning or changing the boot drive, and create a recovery plan before modifying the primary system disk.
For a fresh installation, use the manufacturer's current firmware and management utility where applicable. Samsung Magician Software supports firmware updates, encryption, and health monitoring for the 9100 PRO. Biwin Intelligence supports Predator storage products with testing, migration, cloning, and management features, while the Kingston NV3 includes Acronis cloning software. Update utilities only through their official source and follow any prompts concerning data migration or firmware compatibility.
Good storage habits protect both performance and endurance. Leave reasonable free space, avoid repeatedly moving enormous working sets between locations with little spare capacity, use reliable backup software, and do not defragment an SSD as though it were a mechanical hard drive. Monitor drive health, keep system and firmware software current, and ensure that the M.2 area has adequate airflow or a properly fitted heatsink during sustained workloads.
Frequently Asked Questions
Does every SSD in this guide have a dedicated DRAM cache?
No. The Acer Predator GM7000 and Transcend MTS830S are explicitly described as having dedicated DRAM cache, and the Lexar NM1090 PRO models also list DRAM cache. The Lexar NM790 and Predator GM7 instead use Host Memory Buffer, which allows compatible systems to use host memory for caching. These are different cache approaches, so buyers who require a separate onboard DRAM component should check the product specifications carefully.
Is an SSD with DRAM cache always faster than one without?
Not in every scenario. A cache can improve responsiveness during small-file access and sustained mixed operations, but interface speed, controller design, NAND quality, capacity, and thermal conditions also shape performance. A PCIe 4.0 drive with HMB may feel faster in many systems than a SATA drive with dedicated DRAM, while a modern NVMe drive generally remains preferable when the platform supports it.
What is the difference between DRAM cache and SLC cache?
DRAM cache is fast external memory used by the controller, while SLC cache is a flash-based acceleration area that temporarily handles selected writes. Some drives use both, as the Lexar NM1090 PRO does. HMB is another approach that uses compatible host system memory. The exact performance effect depends on workload, firmware, and system support.
Can I install a PCIe 5.0 SSD in a PCIe 4.0 computer?
A compatible M.2 2280 PCIe 5.0 SSD will generally be recognized in a PCIe 4.0 slot, but it will operate at the lower interface speed supported by that slot and the rest of the system. Check the motherboard manual and processor specifications. For a PCIe 4.0 computer, a well-chosen PCIe 4.0 SSD may therefore offer better practical value.
Do I need a heatsink for a high-speed NVMe SSD?
It depends on the case, motherboard, workload, and drive. A heatsink is strongly advisable for a PCIe 5.0 drive used in sustained transfers, and it can also help PCIe 4.0 models in compact systems. Some drives include thermal hardware or spreading components, but case airflow and the quality of any motherboard M.2 heatsink still influence operating temperature.
Is 1TB enough for a gaming SSD?
It can be enough for an operating system, essential applications, and a focused game collection. Modern game installs and updates grow quickly, though, so buyers with larger libraries or creative files may prefer 2TB or 4TB. Secondary storage can provide extra room, but frequently accessed games benefit from remaining on the faster primary drive.
How do I move data from my old drive to a new SSD?
Use the supplied or manufacturer's recommended cloning utility, such as Acronis for the Kingston NV3 or the migration features in Biwin Intelligence for Predator drives. Clone the old system, verify that the new drive boots and contains all expected files, and only then erase the old drive. Keep a separate backup until the new installation has been confirmed.
How can I tell whether a PCIe 5.0 SSD is running at full speed?
Check the motherboard specification for the specific M.2 slot, because some slots share PCIe lanes with other devices and may operate at reduced speed. Confirm that the processor supports PCIe 5.0 and use current firmware and benchmarking software. A drive in a PCIe 4.0 slot or a configuration with shared lanes will not deliver its full PCIe 5.0 bandwidth.
Final Thoughts on Choosing the Best SSD with Dram Cache
The Acer Predator GM7000 2TB is the strongest all-around recommendation because dedicated DRAM, TLC NAND, PCIe 4.0 speed, thermal hardware, endurance coverage, and management features are balanced in one package. The Samsung 9100 PRO 2TB is the premium choice for compatible PCIe 5.0 systems, while the Lexar NM790 2TB provides the most attractive blend of rating, efficiency, HMB-assisted responsiveness, and practical capacity.
Prioritize the cache method that matches the system, then confirm interface support, available M.2 space, thermal provisions, and realistic capacity. Dedicated DRAM, HMB, and SLC caching can all support responsiveness, but they are not interchangeable. For older SATA-only computers, the Transcend MTS830S remains a relevant dedicated-DRAM option, while modern builds should weigh PCIe 4.0 efficiency against PCIe 5.0 throughput.
Current prices and availability can change, so check the listing before making a final decision. Compare the complete specification, warranty, and platform requirements rather than selecting on one speed number alone. Whichever option fits the budget and hardware, backing up important data and monitoring drive health remain essential parts of getting dependable performance from any internal SSD.