Average Bench: 88.4% (322nd of 1040)

Based on 1,203 user benchmarks.  Model: Samsung SSD 840 EVO 250GB mSATA

Very good average bench

The Samsung 840 Evo mSATA 250GB averaged just 11.6% 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 203MB/s
Avg. 4K Random Mixed IO Speed 42MB/s

Below average consistency

The range of scores (95th - 5th percentile) for the Samsung 840 Evo mSATA 250GB is 56.7%. 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 182MB/s
Avg. Sequential Mixed IO Speed 332MB/s

Average Bench

(Based on 1,203 samples)
Min Avg Max
377 Read 455 503
233 Write 399 480
184 Mixed 332 386
55.5 SusWrite 182 289
76.6% 342 MB/s
Min Avg Max
21.8 4K Read 34.6 45.3
36.1 4K Write 72.8 114
20.6 4K Mixed 42 57.3
145% 49.8 MB/s
Min Avg Max
160 DQ Read 340 383
87.7 DQ Write 299 353
65 DQ Mixed 203 236
184% 281 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
104GB free (System drive)
Firmware: EXT41B6Q
SusWrite @10s intervals: 226 74 80 79 79 77 MB/s
Read 493
Write 482
Mixed 364
SusWrite 102
80% 360 MB/s
4K Read 41.5
4K Write 84.7
4K Mixed 51.4
174% 59.2 MB/s
DQ Read 381
DQ Write 343
DQ Mixed 232
210% 319 MB/s
42GB free (System drive)
Firmware: EXT42B6Q
SusWrite @10s intervals: 299 130 53 41 36 43 MB/s
Read 498
Write 486
Mixed 374
SusWrite 100
82% 365 MB/s
4K Read 39.9
4K Write 89.2
4K Mixed 50.6
172% 59.9 MB/s
DQ Read 375
DQ Write 350
DQ Mixed 227
208% 317 MB/s
1,203 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 32,765,331 SSDs tested.


AmazonUS $29913 months
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Typical 840 Evo mSATA 250GB Builds (Compare 131 builds) See popular component choices, score breakdowns and rankings.
Gaming 8%
Tree trunk
Desktop 62%
Workstation 8%
Tree trunk

System: Notebook P15SM-A/SM1-A

EDIT WITH CUSTOM PC BUILDER Value: 30% - Below average Total price: $452

Popular 840 Evo mSATA 250GB systems:

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) October 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.


1040 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 i5-9600K $199Nvidia GTX 1660S (Super) $230Crucial MX500 250GB $45
Intel Core i5-9400F $140Nvidia RTX 3080 $700Samsung 850 Evo 120GB $78
Intel Core i5-10600K $260Nvidia RTX 2070S (Super) $510Samsung 860 Evo 250GB $50
Seagate Barracuda 1TB (2016) $43Corsair Vengeance LPX DDR4 3200 C16 2x8GB $63SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $32Corsair Vengeance LPX DDR4 3000 C15 2x8GB $69SanDisk Extreme 32GB $28
Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $548SanDisk Extreme 16GB $28
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