Average Bench: 147% (130th of 1037)

Based on 2,315 user benchmarks.  Model: PC SN520 NVMe WDC 256GB

Outstanding average bench

The PC SN520 NVMe WDC 256GB averaged 47.0% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the PC SN520 NVMe WDC 256GB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Mixed IO Speed 592MB/s
Avg. 4K-64Thread Write Speed 606MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the PC SN520 NVMe WDC 256GB is 86.1%. This is a particularly wide range which indicates that the PC SN520 NVMe WDC 256GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sustained Write Speed 373MB/s
Avg. 4K Random Read Speed 37.8MB/s
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Average Bench

(Based on 2,315 samples)
Min Avg Max
639 Read 954 1,243
476 Write 934 1,226
420 Mixed 812 1,115
212 SusWrite 373 446
172% 768 MB/s
Min Avg Max
22.3 4K Read 37.8 47.4
51.4 4K Write 109 165
30.3 4K Mixed 53.6 69.8
184% 66.9 MB/s
Min Avg Max
280 DQ Read 707 858
175 DQ Write 606 1,064
235 DQ Mixed 592 730
461% 635 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
72GB free (System drive)
Firmware: 20240012 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 468 429 431 405 344 361 MB/s
Read 1054
Write 1,152
Mixed 1,112
SusWrite 406
210% 931 MB/s
4K Read 45.8
4K Write 137
4K Mixed 64.7
225% 82.6 MB/s
DQ Read 816
DQ Write 634
DQ Mixed 572
470% 674 MB/s
146GB free (System drive)
Firmware: 20200012 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 517 418 417 419 418 418 MB/s
Read 785
Write 931
Mixed 744
SusWrite 434
163% 723 MB/s
4K Read 41.1
4K Write 121
4K Mixed 59
202% 73.6 MB/s
DQ Read 848
DQ Write 1,004
DQ Mixed 716
598% 856 MB/s
149GB free (System drive)
Firmware: 20220012 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 327 381 331 318 318 321 MB/s
Read 965
Write 1,132
Mixed 1,040
SusWrite 332
195% 867 MB/s
4K Read 40.4
4K Write 100
4K Mixed 55.6
186% 65.5 MB/s
DQ Read 859
DQ Write 958
DQ Mixed 723
596% 847 MB/s
56GB free (System drive)
Firmware: 20240012 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 263 161 167 216 158 155 MB/s
Read 828
Write 757
Mixed 719
SusWrite 187
139% 623 MB/s
4K Read 40.1
4K Write 96.4
4K Mixed 55.8
183% 64.1 MB/s
DQ Read 757
DQ Write 332
DQ Mixed 459
363% 516 MB/s
2,315 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 31,610,326 SSDs tested.

Typical SN520 NVMe WDC 256GB Builds (Compare 1,944 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 9%
Tree trunk
Desktop
Desktop 69%
Battle cruiser
Workstation
Workstation 8%
Tree trunk

System: Dell Inspiron 3593

EDIT WITH CUSTOM PC BUILDER

Popular SN520 NVMe WDC 256GB 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.

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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) September 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]

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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.

 Comments

1037 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.
CPUGPUSSD
Intel Core i5-9600K $195Nvidia GTX 1660S (Super) $230Crucial MX500 250GB $45
Intel Core i5-9400F $140Nvidia GTX 1650S (Super) $170Samsung 850 Evo 120GB $78
Intel Core i7-9700K $289Nvidia RTX 2070S (Super) $505Samsung 860 Evo 250GB $43
HDDRAMUSB
Seagate Barracuda 1TB (2016) $35Corsair Vengeance LPX DDR4 3200 C16 2x8GB $69SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $32Corsair Vengeance LPX DDR4 3000 C15 2x8GB $65SanDisk Extreme 32GB $30
Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $649SanDisk Extreme 16GB $28
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