Average Bench: 157% (138th of 1058)

Based on 7,001 user benchmarks.  Model: WDC PC SN520 SDAPMUW-512G-1101

Outstanding average bench

The WDC PC SN520 SDAPMUW-512G-1101 512GB averaged 57.0% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the WDC PC SN520 SDAPMUW-512G-1101 512GB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Mixed IO Speed 700MB/s
Avg. 4K-64Thread Read Speed 828MB/s

Very poor consistency

The range of scores (95th - 5th percentile) for the WDC PC SN520 SDAPMUW-512G-1101 512GB is 79.3%. This is a particularly wide range which indicates that the WDC PC SN520 SDAPMUW-512G-1101 512GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sustained Write Speed 595MB/s
Avg. 4K Random Read Speed 36.1MB/s
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Average Bench

(Based on 7,001 samples)
Min Avg Max
589 Read 855 1,205
566 Write 841 1,209
502 Mixed 741 1,050
281 SusWrite 595 763
171% 758 MB/s
Min Avg Max
18.3 4K Read 36.1 44.5
48.3 4K Write 105 141
27.2 4K Mixed 51.8 65.7
177% 64.3 MB/s
Min Avg Max
406 DQ Read 828 1,083
185 DQ Write 599 884
237 DQ Mixed 700 1,009
527% 709 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
237GB free (System drive)
Firmware: 20210001
SusWrite @10s intervals: 887 740 744 740 737 739 MB/s
Read 1,012
Write 987
Mixed 849
SusWrite 765
203% 903 MB/s
4K Read 41.5
4K Write 135
4K Mixed 63.3
215% 79.9 MB/s
DQ Read 936
DQ Write 705
DQ Mixed 663
538% 768 MB/s
386GB free (System drive)
Firmware: 20290001
SusWrite @10s intervals: 625 730 726 743 744 747 MB/s
Read 835
Write 813
Mixed 748
SusWrite 719
175% 779 MB/s
4K Read 42.4
4K Write 130
4K Mixed 62
213% 78.2 MB/s
DQ Read 946
DQ Write 761
DQ Mixed 845
635% 851 MB/s
430GB free (System drive)
Firmware: 20210001
SusWrite @10s intervals: 919 768 760 746 734 739 MB/s
Read 782
Write 765
Mixed 654
SusWrite 778
168% 745 MB/s
4K Read 42.7
4K Write 121
4K Mixed 61.2
207% 75 MB/s
DQ Read 1,048
DQ Write 642
DQ Mixed 921
666% 870 MB/s
436GB free (System drive)
Firmware: 20240001
SusWrite @10s intervals: 859 728 729 738 737 737 MB/s
Read 1106
Write 1,058
Mixed 945
SusWrite 755
217% 966 MB/s
4K Read 34.2
4K Write 124
4K Mixed 37.1
165% 65.2 MB/s
DQ Read 850
DQ Write 692
DQ Mixed 775
579% 772 MB/s
94GB free (System drive)
Firmware: 20290001
SusWrite @10s intervals: 590 626 536 514 513 426 MB/s
Read 806
Write 806
Mixed 681
SusWrite 534
159% 707 MB/s
4K Read 41.6
4K Write 119
4K Mixed 60.1
203% 73.7 MB/s
DQ Read 896
DQ Write 676
DQ Mixed 802
595% 791 MB/s
306GB free (System drive)
Firmware: 20290001
SusWrite @10s intervals: 857 707 684 587 603 590 MB/s
Read 604
Write 594
Mixed 566
SusWrite 671
137% 609 MB/s
4K Read 38
4K Write 120
4K Mixed 57.7
195% 71.9 MB/s
DQ Read 795
DQ Write 702
DQ Mixed 736
555% 744 MB/s
229GB free (System drive)
Firmware: 20290001
SusWrite @10s intervals: 559 529 522 504 473 499 MB/s
Read 858
Write 787
Mixed 762
SusWrite 514
164% 730 MB/s
4K Read 40.8
4K Write 104
4K Mixed 58.4
192% 67.7 MB/s
DQ Read 875
DQ Write 578
DQ Mixed 641
501% 698 MB/s
59GB free (System drive)
Firmware: 20240001
SusWrite @10s intervals: 790 690 203 172 170 161 MB/s
Read 564
Write 535
Mixed 520
SusWrite 365
112% 496 MB/s
4K Read 40.3
4K Write 132
4K Mixed 63.2
212% 78.6 MB/s
DQ Read 1,079
DQ Write 857
DQ Mixed 977
729% 971 MB/s
279GB free (System drive)
Firmware: 20240001
SusWrite @10s intervals: 671 689 685 683 580 489 MB/s
Read 650
Write 685
Mixed 513
SusWrite 633
140% 620 MB/s
4K Read 25.1
4K Write 105
4K Mixed 37.8
142% 55.9 MB/s
DQ Read 775
DQ Write 489
DQ Mixed 575
444% 613 MB/s
7,001 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 43,099,589 SSDs tested.

Typical PC SN520 SDAPMUW-512G-1101 512GB Builds (Compare 7,400 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 56%
Gunboat
Desktop
Desktop 85%
Aircraft carrier
Workstation
Workstation 49%
Yacht

System: Lenovo 81SX

EDIT WITH CUSTOM PC BUILDER

Popular PC SN520 SDAPMUW-512G-1101 512GB systems:

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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.
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  • - Share your opinion by voting.
Solid State Drive Rankings (Price vs Performance) May 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

1058 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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