Average Bench: 426% (11th of 1071)

Based on 9,834 user benchmarks.  Model: WD_BLACK SN850 1TB

Outstanding average bench

The WD Black SN850 NVMe PCIe M.2 1TB averaged 325.9% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the WD Black SN850 NVMe PCIe M.2 1TB near the top of the comparison list.


Avg. 4K-64Thread Mixed IO Speed 1,392MB/s
Avg. Sequential Write Speed 3,617MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the WD Black SN850 NVMe PCIe M.2 1TB is 316%. This is a particularly wide range which indicates that the WD Black SN850 NVMe PCIe M.2 1TB performs inconsistently under varying real world conditions.


Avg. 4K Random Write Speed 200MB/s
Avg. 4K Random Read Speed 70.1MB/s

Average Bench

(Based on 9,834 samples)
Min Avg Max
1,884 Read 3,207 4,390
1,647 Write 3,617 4,741
1,584 Mixed 2,746 3,332
755 SusWrite 2,187 3,911
662% 2,939 MB/s
Min Avg Max
45.1 4K Read 70.1 86.5
83.7 4K Write 200 316
56.6 4K Mixed 89.9 118
327% 120 MB/s
Min Avg Max
875 DQ Read 1,624 2,485
269 DQ Write 1,250 2,003
386 DQ Mixed 1,392 2,239
1,053% 1,422 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
757GB free (System drive)
Firmware: 613200WD Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 4298 4338 4389 3388 2651 2146 MB/s
Read 3161
Write 4,571
Mixed 3,229
SusWrite 3,535
821% 3,624 MB/s
4K Read 76
4K Write 205
4K Mixed 98.4
350% 126 MB/s
DQ Read 1,473
DQ Write 1,264
DQ Mixed 1,336
1,010% 1,358 MB/s
675GB free (System drive)
Firmware: 614600WD Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 2434 2371 2380 2216 1691 1579 MB/s
Read 2,576
Write 2,431
Mixed 2248
SusWrite 2,112
527% 2,342 MB/s
4K Read 62.7
4K Write 146
4K Mixed 79.9
274% 96 MB/s
DQ Read 1,224
DQ Write 1,024
DQ Mixed 1,176
867% 1,141 MB/s
9,834 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 67,510,370 SSDs tested.


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Typical Black SN850 NVMe PCIe M.2 1TB Builds (Compare 21,924 builds) See popular component choices, score breakdowns and rankings.
Gaming 129%
Desktop 94%
Nuclear submarine
Workstation 130%

Motherboard: Asus TUF GAMING X570-PLUS (WI-FI) - $190

EDIT WITH CUSTOM PC BUILDER Value: 95% - Outstanding Total price: $1,030

Popular Black SN850 NVMe PCIe M.2 1TB 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.
  • - SkillBench (space shooter) tests user input accuracy.
  • - 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.
Solid State Drive Rankings (Price vs Performance) June 2023 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.


Added n/a ago.


9 months ago.

Potentially one of the best options for speed, it scores higher than every other Samsung SSD for around the same price.

1071 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 i5-13600K $315Nvidia RTX 3060 $290Crucial MX500 250GB $30
Intel Core i5-12600K $225Nvidia RTX 3060-Ti $300Samsung 850 Evo 120GB $86
Intel Core i5-12400F $150Nvidia RTX 4070-Ti $800Samsung 860 Evo 250GB $52
Seagate Barracuda 1TB (2016) $35Corsair Vengeance LPX DDR4 3200 C16 2x8GB $40SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $30Corsair Vengeance LPX DDR4 3000 C15 2x8GB $43SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $67G.SKILL Trident Z DDR4 3200 C14 4x16GB $381SanDisk Ultra Fit 32GB $16
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