Average Bench: 102% (202nd of 1021)

Based on 17,320 user benchmarks.  Model: Samsung SSD 850 EVO M.2 250GB

Outstanding average bench

The Samsung 850 EVO M.2 250GB averaged 2.5% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the Samsung 850 EVO M.2 250GB near the top of the comparison list.


Avg. 4K-64Thread Mixed IO Speed 315MB/s
Avg. 4K Random Mixed IO Speed 52MB/s

Average consistency

The range of scores (95th - 5th percentile) for the Samsung 850 EVO M.2 250GB is 44.2%. This is a relatively wide range which indicates that the Samsung 850 EVO M.2 250GB performs inconsistently under varying real world conditions.


Avg. Sustained Write Speed 233MB/s
Avg. Sequential Mixed IO Speed 367MB/s

Average Bench

(Based on 17,320 samples)
Min Avg Max
419 Read 471 506
308 Write 431 489
299 Mixed 367 406
116 SusWrite 233 325
84.2% 375 MB/s
Min Avg Max
27.9 4K Read 39.3 47.8
53.2 4K Write 95.2 127
33.4 4K Mixed 52 64.3
177% 62.2 MB/s
Min Avg Max
229 DQ Read 350 385
104 DQ Write 301 349
150 DQ Mixed 315 363
239% 322 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
176GB free (System drive)
Firmware: EMT21B6Q
SusWrite @10s intervals: 335 292 290 287 295 294 MB/s
Read 486
Write 426
Mixed 344
SusWrite 299
87% 389 MB/s
4K Read 45.9
4K Write 110
4K Mixed 59.6
204% 71.7 MB/s
DQ Read 377
DQ Write 289
DQ Mixed 314
240% 327 MB/s
101GB free (System drive)
Firmware: EMT21B6Q
SusWrite @10s intervals: 197 176 165 160 163 163 MB/s
Read 482
Write 178
Mixed 211
SusWrite 171
57% 260 MB/s
4K Read 33.7
4K Write 118
4K Mixed 57.1
187% 69.6 MB/s
DQ Read 380
DQ Write 220
DQ Mixed 295
221% 298 MB/s
183GB free (System drive)
Firmware: EMT21B6Q
SusWrite @10s intervals: 42 43 45 45 45 47 MB/s
Read 424
Write 38.3
Mixed 80.8
SusWrite 44.6
31% 147 MB/s
4K Read 42.7
4K Write 0.4
4K Mixed 0.8
66% 14.6 MB/s
17,320 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 26,402,973 SSDs tested.

Typical 850 EVO M.2 250GB Builds (Compare 12,795 builds) See popular component choices, score breakdowns and rankings.
Gaming 15%
Tree trunk
Desktop 62%
Workstation 40%
Speed boat

System: Dell Inspiron 7559


Popular 850 EVO M.2 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) 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
Today's hottest deals
About  •  User Guide  •  FAQs  •  Email  •  Privacy  •  Developer Feedback