Average Bench: 130% (139th of 1016)

Based on 700 user benchmarks.  Model: NVMe WDC WDS512G1X0C-

Outstanding average bench

The Nvme WDC WDS512G1X0C- 512GB averaged 30.4% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the Nvme WDC WDS512G1X0C- 512GB near the top of the comparison list.


Avg. 4K-64Thread Mixed IO Speed 373MB/s
Avg. 4K-64Thread Read Speed 579MB/s

Poor consistency

The range of scores (95th - 5th percentile) for the Nvme WDC WDS512G1X0C- 512GB is 65.8%. This is a particularly wide range which indicates that the Nvme WDC WDS512G1X0C- 512GB performs inconsistently under varying real world conditions.


Avg. Sustained Write Speed 328MB/s
Avg. Sequential Mixed IO Speed 410MB/s

Average Bench

(Based on 700 samples)
Min Avg Max
482 Read 905 1,158
278 Write 602 781
228 Mixed 410 617
128 SusWrite 328 395
125% 561 MB/s
Min Avg Max
26.2 4K Read 37.6 44.8
50.7 4K Write 103 137
16.3 4K Mixed 44.1 59.6
168% 61.7 MB/s
Min Avg Max
140 DQ Read 579 662
102 DQ Write 445 533
40.1 DQ Mixed 373 478
317% 466 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
435GB free
Firmware: B35900WD Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 556 377 378 378 378 377 MB/s
Read 1,116
Write 790
Mixed 738
SusWrite 408
170% 763 MB/s
4K Read 43.9
4K Write 101
4K Mixed 55.1
191% 66.8 MB/s
DQ Read 661
DQ Write 517
DQ Mixed 447
373% 541 MB/s
102GB free (System drive)
Firmware: B35900WD Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 314 257 310 148 215 191 MB/s
Read 934
Write 534
Mixed 325
SusWrite 239
112% 508 MB/s
4K Read 35.7
4K Write 85.5
4K Mixed 37.3
147% 52.8 MB/s
DQ Read 660
DQ Write 439
DQ Mixed 350
315% 483 MB/s
325GB free (System drive)
Firmware: B355 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 404 372 364 377 374 349 MB/s
Read 703
Write 643
Mixed 462
SusWrite 373
122% 545 MB/s
4K Read 23.4
4K Write 65.6
4K Mixed 33.9
114% 41 MB/s
DQ Read 566
DQ Write 496
DQ Mixed 312
294% 458 MB/s
700 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 21,545,781 SSDs tested.

Typical WDC WDS512G1X0C- 512GB Builds (Compare 11,870 builds) See popular component choices, score breakdowns and rankings.
Gaming 110%
Desktop 97%
Nuclear submarine
Workstation 83%
Aircraft carrier

Motherboard: Asus ROG MAXIMUS X HERO (WI-FI AC) - $260

EDIT WITH CUSTOM PC BUILDER Value: 55% - Above average Total price: $1,518

Popular WDC WDS512G1X0C- 512GB 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.


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 $42
Intel Core i5-9400F $154Nvidia GTX 1650S (Super) $170Samsung 850 Evo 120GB $78
Intel Core i7-9700K $356Nvidia RTX 2060 $349Samsung 850 Pro 512GB $224
Seagate Barracuda 1TB (2016) $37Corsair Vengeance LPX DDR4 3200 C16 2x8GB $73SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $42Corsair Vengeance LPX DDR4 3000 C15 2x8GB $63SanDisk Extreme 32GB $46
Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $653SanDisk Ultra Fit 32GB $16
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