Average Bench: 88.3% (298th of 1021)

Based on 1,136 user benchmarks.  Model: Samsung SSD 840 EVO 250GB mSATA

Very good average bench

The Samsung 840 Evo mSATA 250GB averaged just 11.7% 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 196MB/s
Avg. 4K Random Mixed IO Speed 42.1MB/s

Below average consistency

The range of scores (95th - 5th percentile) for the Samsung 840 Evo mSATA 250GB is 57.4%. 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 183MB/s
Avg. Sequential Mixed IO Speed 330MB/s

Average Bench

(Based on 1,136 samples)
Min Avg Max
365 Read 453 502
240 Write 401 483
178 Mixed 330 391
54.2 SusWrite 183 290
76.4% 341 MB/s
Min Avg Max
21.7 4K Read 34.7 45.4
35.3 4K Write 73.6 114
20.3 4K Mixed 42.1 57.5
146% 50.1 MB/s
Min Avg Max
44.8 DQ Read 332 383
83.5 DQ Write 294 352
52.9 DQ Mixed 196 236
179% 274 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
170GB free
Firmware: EXT42B6Q
SusWrite @10s intervals: 343 274 255 245 198 126 MB/s
Read 450
Write 439
Mixed 348
SusWrite 240
83% 369 MB/s
4K Read 34.4
4K Write 80.7
4K Mixed 48
156% 54.4 MB/s
DQ Read 376
DQ Write 329
DQ Mixed 220
201% 309 MB/s
68GB free (System drive)
Firmware: EXT42B6Q
SusWrite @10s intervals: 314 258 234 118 45 41 MB/s
Read 472
Write 450
Mixed 361
SusWrite 168
81% 363 MB/s
4K Read 26.1
4K Write 34.6
4K Mixed 28.6
94% 29.8 MB/s
DQ Read 162
DQ Write 241
DQ Mixed 64.2
87% 156 MB/s
1,136 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 26,404,771 SSDs tested.


AmazonUS $2998 months
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Typical 840 Evo mSATA 250GB Builds (Compare 2,596 builds) See popular component choices, score breakdowns and rankings.
Gaming 13%
Tree trunk
Desktop 61%
Workstation 39%
Jet ski

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) May 2020 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.


1021 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 $165Nvidia GTX 1660S (Super) $230Crucial MX500 250GB $49
Intel Core i5-9600K $199Nvidia GTX 1650S (Super) $160Samsung 850 Evo 120GB $78
Intel Core i7-9700K $370Nvidia RTX 2070S (Super) $500Samsung 860 Evo 250GB $56
Seagate Barracuda 1TB (2016) $43Corsair Vengeance LPX DDR4 3200 C16 2x8GB $75SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $40Corsair Vengeance LPX DDR4 3000 C15 2x8GB $75SanDisk Extreme 32GB $46
Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $681SanDisk Ultra Fit 32GB $16
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