Average Bench: 92.7% (75th of 862)

Based on 6,404 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 7.2% 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 Random Read Speed 31.4MB/s
Avg. 4K Random Write Speed 87.2MB/s

Below average consistency

The range of scores (95th - 5th percentile) for the Samsung 850 Pro 128GB is 50.3%. This is a relatively wide range which indicates that the Samsung 850 Pro 128GB performs inconsistently under varying real world conditions.


Avg. 4K-64Thread Read Speed 209MB/s
Avg. Sequential Write Speed 391MB/s

Average Bench

(Based on 6,404 samples)
Min Avg Max
372 Read 499 528
171 Write 391 491
226 Mixed 412 494
96.5% 434 MB/s
Min Avg Max
21.9 4K Read 31.4 38.5
44.9 4K Write 87.2 126
16.5 4K Mixed 29.4 39.9
131% 49.3 MB/s
Min Avg Max
27.1 DQ Read 209 378
73.3 DQ Write 217 341
16.3 DQ Mixed 78.3 143
96.1% 168 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
51GB free
Firmware: EXM04B6Q Max speed: SATA 3.0 600 MB/s
Read 520
Write 470
Mixed 464
108% 485 MB/s
4K Read 36.8
4K Write 118
4K Mixed 39.8
169% 64.7 MB/s
DQ Read 358
DQ Write 319
DQ Mixed 140
159% 272 MB/s
18GB free
Firmware: EXM02B6Q Max speed: SATA 3.0 600 MB/s
Read 515
Write 406
Mixed 438
101% 453 MB/s
4K Read 30.9
4K Write 89
4K Mixed 36.5
141% 52.2 MB/s
DQ Read 333
DQ Write 262
DQ Mixed 129
142% 241 MB/s
51GB free
Firmware: EXM04B6Q Max speed: SATA 3.0 600 MB/s
Read 520
Write 447
Mixed 467
107% 478 MB/s
4K Read 35.8
4K Write 96.1
4K Mixed 24.2
136% 52 MB/s
DQ Read 37.8
DQ Write 113
DQ Mixed 117
77% 89.1 MB/s
33GB free
Firmware: EXM0 Max speed: SATA 3.0 600 MB/s
Read 511
Write 262
Mixed 336
82% 370 MB/s
4K Read 35.2
4K Write 78.1
4K Mixed 34.3
139% 49.2 MB/s
DQ Read 276
DQ Write 195
DQ Mixed 117
119% 196 MB/s
6,404 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 4,465,714 SSDs tested.


AmazonUS $190.728 hrs ago.
OutletPCUS $207.847 months ago.
EbayUS $299.9923 mins ago.
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Typical 850 Pro 128GB Builds (Compare 8,011 builds) See popular component choices, score breakdowns and rankings.
Gaming 64%
Desktop 80%
Aircraft carrier
Workstation 59%

Motherboard: MSI Z97 GAMING 5 (MS-7917) - $160

EDIT WITH CUSTOM PC BUILDER Value: 67% - Good Total price: $1,071

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 (UBM).
  • - CPU tests include: integer, floating and string.
  • - GPU tests include: six 3D game simulations.
  • - Drive tests include: read, write and mixed IO.
  • - Checks include: 4k Align, NCQ, TRIM, SATA, USB & S.M.A.R.T.
  • - 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 highest voted in class.
  • - Find the best upgrades.
  • - Share your opinion by voting.
Solid State Drive Rankings (Price vs Performance) November 2017 SSD Rankings.

Welcome to our consumer SSD comparison. We calculate effective speed based on real world performance then adjust by cost per GB to yield a value for money rating. Calculated values don't always tell the whole picture so we check them against thousands of individual user ratings. The customizable table below combines these factors and more to bring you the definitive list of top SSDs. Share your opinion by voting. [SSDrivePro]


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

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

Added 2 years ago.


5 months ago.

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

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862 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 i7-7700K $288Nvidia GTX 1070 $410Samsung 850 Evo 250GB $85
AMD Ryzen 7 1700 $270AMD RX 480 $240Samsung 850 Pro 256GB $110
Intel Core i5-7600K $200Nvidia GTX 1060-6GB $240Samsung 850 Evo 500GB $150
Seagate Barracuda 1TB (2016) $45Corsair Vengeance LPX DDR4 3000 C15 2x8GB $160SanDisk Extreme 64GB $33
Seagate Barracuda 3TB (2016) $75G.SKILL Trident Z DDR4 3200 C14 4x16GB $1,050SanDisk Extreme 32GB $22
Seagate Barracuda 7200.14 1TB $54Corsair Vengeance LPX DDR4 3200 C16 2x8GB $170SanDisk Ultra Fit 32GB $12
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