Average Bench: 99.8% (210th of 1016)

Based on 12,721 user benchmarks.  Models: Samsung SSD 850 PRO 128G, Samsung SSD 850 PRO 128GB, Samsung SSD 850 PRO, Samsun SSD 850 PRO 128G, Samsung SSD 850

Excellent average bench

The Samsung 850 Pro 128GB averaged just 0.2% lower than the peak scores attained by the group leaders. This is an excellent result which ranks the Samsung 850 Pro 128GB near the top of the comparison list.


Avg. 4K-64Thread Mixed IO Speed 269MB/s
Avg. 4K Random Mixed IO Speed 40.3MB/s

Below average consistency

The range of scores (95th - 5th percentile) for the Samsung 850 Pro 128GB is 50.5%. This is a relatively wide range which indicates that the Samsung 850 Pro 128GB performs inconsistently under varying real world conditions.


Avg. Sequential Mixed IO Speed 301MB/s
Avg. Sustained Write Speed 344MB/s

Average Bench

(Based on 12,721 samples)
Min Avg Max
364 Read 475 516
219 Write 404 482
227 Mixed 301 355
129 SusWrite 344 470
85.5% 381 MB/s
Min Avg Max
23.2 4K Read 32.4 38.3
47.1 4K Write 91.3 126
28.5 4K Mixed 40.3 48.1
149% 54.7 MB/s
Min Avg Max
108 DQ Read 336 389
122 DQ Write 294 355
50.3 DQ Mixed 269 332
214% 299 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
117GB free
Firmware: EXM04B6Q
SusWrite @10s intervals: 452 453 470 484 483 483 MB/s
Read 502
Write 480
Mixed 351
SusWrite 471
102% 451 MB/s
4K Read 33.4
4K Write 112
4K Mixed 43.2
165% 62.8 MB/s
DQ Read 387
DQ Write 360
DQ Mixed 331
260% 359 MB/s
92GB free
Firmware: EXM01B6Q
SusWrite @10s intervals: 441 439 440 441 440 441 MB/s
Read 504
Write 438
Mixed 274
SusWrite 440
93% 414 MB/s
4K Read 35.3
4K Write 98.9
4K Mixed 43.4
162% 59.2 MB/s
DQ Read 385
DQ Write 343
DQ Mixed 293
239% 340 MB/s
12,721 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 21,680,918 SSDs tested.


Approx. $90 @ launch in Jul '14
EbayUS $19011 mins
OutletPCUS $2082 years
AmazonUS $2101 month
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Typical 850 Pro 128GB Builds (Compare 24,079 builds) See popular component choices, score breakdowns and rankings.
Gaming 52%
Desktop 75%
Workstation 52%

Motherboard: MSI Z97 GAMING 5 (MS-7917)

EDIT WITH CUSTOM PC BUILDER Value: 40% - Average Total price: $966

Popular 850 Pro 128GB 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) January 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.


Controller: Samsung Triple Core MEX. Memory: Samsung 40nm MLC V-NAND

The world's first 3D vertical NAND flash memory...

Added 4 years ago.


2 years ago.

Price-to-performace was very good. I'm using it to replace my aging SSD.

1016 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 $218Nvidia GTX 1660S (Super) $240Crucial MX500 250GB $43
Intel Core i5-9400F $155Nvidia GTX 1650S (Super) $170Samsung 850 Evo 120GB $78
Intel Core i7-9700K $370Nvidia RTX 2060 $340Samsung 850 Pro 512GB $204
Seagate Barracuda 1TB (2016) $37Corsair Vengeance LPX DDR4 3200 C16 2x8GB $73SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $40Corsair Vengeance LPX DDR4 3000 C15 2x8GB $63SanDisk Extreme 32GB $46
Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $643SanDisk Ultra Fit 32GB $16
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