Average Bench: 86.5% (318th of 1012)

Based on 1,112 user benchmarks.  Model: Samsung SSD 840 EVO 250GB mSATA

Very good average bench

The Samsung 840 Evo mSATA 250GB averaged just 13.4% lower than the peak scores attained by the group leaders. This is an excellent result which ranks the Samsung 840 Evo mSATA 250GB near the top of the comparison list.


Avg. 4K-64Thread Mixed IO Speed 171MB/s
Avg. 4K Random Read Speed 34.7MB/s

Below average consistency

The range of scores (95th - 5th percentile) for the Samsung 840 Evo mSATA 250GB is 55.8%. This is a relatively wide range which indicates that the Samsung 840 Evo mSATA 250GB performs inconsistently under varying real world conditions.


Avg. Sustained Write Speed 184MB/s
Avg. Sequential Mixed IO Speed 330MB/s

Average Bench

(Based on 1,112 samples)
Min Avg Max
368 Read 458 506
224 Write 387 482
192 Mixed 330 387
54.6 SusWrite 184 289
76% 340 MB/s
Min Avg Max
20.2 4K Read 34.7 45.2
31.7 4K Write 70.4 114
15.5 4K Mixed 38.5 56.9
139% 47.8 MB/s
Min Avg Max
35.6 DQ Read 304 382
60.9 DQ Write 272 351
20.3 DQ Mixed 171 236
160% 249 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
172GB free
Firmware: EXT41B6Q
SusWrite @10s intervals: 358 267 267 267 267 281 MB/s
Read 425
Write 276
Mixed 303
SusWrite 284
72% 322 MB/s
4K Read 37.3
4K Write 110
4K Mixed 47.7
176% 64.9 MB/s
DQ Read 376
DQ Write 348
DQ Mixed 230
209% 318 MB/s
1,112 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 19,944,221 SSDs tested.


AmazonUS $2993 months
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Typical 840 Evo mSATA 250GB Builds (Compare 2,191 builds) See popular component choices, score breakdowns and rankings.
Gaming 13%
Tree trunk
Desktop 51%
Workstation 31%
Sail boat

Motherboard: MSI MS-16GF

EDIT WITH CUSTOM PC BUILDER Value: 5% - Terrible Total price: $299

Popular 840 Evo mSATA 250GB compatible motherboards:

How Fast Is Your SSD? (Bench your build) Size up your PC in less than a minute.

Welcome to our freeware PC speed test tool. UserBenchmark will test your PC and compare the results to other users with the same components. You can quickly size up your PC, identify hardware problems and explore the best upgrades.

UserBenchmark of the month

How it works

  • - Download and run UserBenchMark.
  • - CPU tests include: integer, floating and string.
  • - GPU tests include: six 3D game simulations.
  • - Drive tests include: read, write, sustained write and mixed IO.
  • - RAM tests include: single/multi core bandwidth and latency.
  • - Reports are generated and presented on userbenchmark.com.
  • - Identify the strongest components in your PC.
  • - See speed test results from other users.
  • - Compare your components to the current market leaders.
  • - Explore your best upgrade options with a virtual PC build.
  • - Compare your in-game FPS to other users with your hardware.
  • - Share your opinion by voting.
Solid State Drive Rankings (Price vs Performance) December 2019 SSD Rankings.

Welcome to our 2.5" and M.2 SSD comparison. We calculate effective speed for both SATA and NVMe drives based on real world performance then adjust by current prices per GB to yield a value for money rating. Our calculated values are checked against thousands of individual user ratings. The customizable table below combines these factors to bring you the definitive list of top SSDs. [SSDrivePro]


Group Test Results

  • Best user rated - User sentiment trumps benchmarks for this comparison.
  • Best value for money - Value for money is based on real world performance.
  • Fastest real world speed - Real World Speed measures performance for typical consumers.


1012 Drives (Compared) Thousands of user benchmarks compiled into one comparison list.

See how consistently different SSDs perform with varying real world conditions. The charts also illustrate overall performance, popularity and rank.

 Frequently Asked Questions

 Best User Rated

The Best.
Intel Core i5-9400F $145Nvidia GTX 1660S (Super) $244Crucial MX500 250GB $44
Intel Core i5-9600K $200Nvidia RTX 2060 $324Samsung 850 Evo 120GB $150
Intel Core i7-9700K $360AMD RX 590 $180Samsung 850 Pro 512GB $230
Seagate Barracuda 1TB (2016) $37Corsair Vengeance LPX DDR4 3200 C16 2x8GB $80SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $34Corsair Vengeance LPX DDR4 3000 C15 2x8GB $58SanDisk Extreme 32GB $46
Seagate Barracuda 3TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $613SanDisk Extreme 16GB $24
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