Average Bench: 147% (134th of 1040)

Based on 3,262 user benchmarks.  Model: WDC PC SN520 SDAPNUW-512G-1002

Outstanding average bench

The WDC PC SN520 SDAPNUW-512G-1002 512GB averaged 46.6% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the WDC PC SN520 SDAPNUW-512G-1002 512GB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Mixed IO Speed 644MB/s
Avg. 4K-64Thread Read Speed 759MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the WDC PC SN520 SDAPNUW-512G-1002 512GB is 105%. This is a particularly wide range which indicates that the WDC PC SN520 SDAPNUW-512G-1002 512GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sustained Write Speed 541MB/s
Avg. Sequential Mixed IO Speed 657MB/s
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Average Bench

(Based on 3,262 samples)
Min Avg Max
413 Read 778 1,140
386 Write 753 1,235
319 Mixed 657 1,135
273 SusWrite 541 760
153% 682 MB/s
Min Avg Max
21.5 4K Read 40.1 45.8
48.4 4K Write 103 148
25.7 4K Mixed 52 67.4
182% 64.9 MB/s
Min Avg Max
286 DQ Read 759 1,074
108 DQ Write 432 937
182 DQ Mixed 644 1,032
466% 612 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
170GB free (System drive)
Firmware: 20110000
SusWrite @10s intervals: 863 758 735 742 747 639 MB/s
Read 1,038
Write 1,271
Mixed 1,112
SusWrite 747
235% 1,042 MB/s
4K Read 42.2
4K Write 125
4K Mixed 59.2
206% 75.6 MB/s
DQ Read 1,005
DQ Write 778
DQ Mixed 827
636% 870 MB/s
170GB free (System drive)
Firmware: 20110000
SusWrite @10s intervals: 788 687 715 700 724 579 MB/s
Read 864
Write 1,025
Mixed 1,034
SusWrite 699
205% 906 MB/s
4K Read 36.6
4K Write 112
4K Mixed 55.6
186% 68.1 MB/s
DQ Read 744
DQ Write 636
DQ Mixed 635
491% 672 MB/s
154GB free (System drive)
Firmware: 20110000
SusWrite @10s intervals: 678 735 744 751 457 301 MB/s
Read 908
Write 838
Mixed 789
SusWrite 611
177% 787 MB/s
4K Read 39.9
4K Write 104
4K Mixed 53.4
184% 65.9 MB/s
DQ Read 770
DQ Write 330
DQ Mixed 624
443% 575 MB/s
126GB free (System drive)
Firmware: 20110000
SusWrite @10s intervals: 564 342 356 313 309 304 MB/s
Read 781
Write 750
Mixed 634
SusWrite 365
142% 632 MB/s
4K Read 43.1
4K Write 131
4K Mixed 63.8
216% 79.2 MB/s
DQ Read 828
DQ Write 373
DQ Mixed 739
511% 647 MB/s
154GB free (System drive)
Firmware: 20110000
SusWrite @10s intervals: 621 347 315 301 314 311 MB/s
Read 668
Write 760
Mixed 629
SusWrite 368
136% 606 MB/s
4K Read 41.5
4K Write 110
4K Mixed 57.9
195% 69.9 MB/s
DQ Read 960
DQ Write 351
DQ Mixed 777
542% 696 MB/s
150GB free (System drive)
Firmware: 20110000
SusWrite @10s intervals: 603 358 372 355 352 355 MB/s
Read 924
Write 1,031
Mixed 910
SusWrite 399
184% 816 MB/s
4K Read 36.4
4K Write 74.9
4K Mixed 31.8
136% 47.7 MB/s
DQ Read 584
DQ Write 488
DQ Mixed 539
403% 537 MB/s
330GB free (System drive)
Firmware: 20110000
SusWrite @10s intervals: 490 528 582 604 460 344 MB/s
Read 380
Write 441
Mixed 308
SusWrite 501
92% 408 MB/s
4K Read 34.6
4K Write 101
4K Mixed 42.3
160% 59.3 MB/s
DQ Read 778
DQ Write 317
DQ Mixed 618
439% 571 MB/s
361GB free (System drive)
Firmware: 20110000
SusWrite @10s intervals: 182 28 71 0 0 81 MB/s
Read 419
Write 285
Mixed 277
SusWrite 60.1
58% 260 MB/s
4K Read 15.8
4K Write 14.3
4K Mixed 12.7
48% 14.3 MB/s
DQ Read 499
DQ Write 133
DQ Mixed 410
277% 347 MB/s
3,262 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 37,839,478 SSDs tested.

Typical PC SN520 SDAPNUW-512G-1002 512GB Builds (Compare 463 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 11%
Tree trunk
Desktop
Desktop 65%
Battle cruiser
Workstation
Workstation 10%
Tree trunk

System: Asus ZenBook UX433FN_UX433FN

EDIT WITH CUSTOM PC BUILDER

Popular PC SN520 SDAPNUW-512G-1002 512GB 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.
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  • - Share your opinion by voting.
Solid State Drive Rankings (Price vs Performance) January 2021 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

1040 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

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Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $649SanDisk Ultra Fit 32GB $16
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