Average Bench: 169% (109th of 1040)

Based on 331 user benchmarks.  Model: WDC PC SN520 SDAPNUW-512G-1114

Outstanding average bench

The WDC PC SN520 SDAPNUW-512G-1114 512GB averaged 68.7% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the WDC PC SN520 SDAPNUW-512G-1114 512GB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Mixed IO Speed 657MB/s
Avg. 4K-64Thread Read Speed 771MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the WDC PC SN520 SDAPNUW-512G-1114 512GB is 83.6%. This is a particularly wide range which indicates that the WDC PC SN520 SDAPNUW-512G-1114 512GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sustained Write Speed 673MB/s
Avg. 4K Random Write Speed 99MB/s
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Average Bench

(Based on 331 samples)
Min Avg Max
779 Read 1,094 1,232
559 Write 1,023 1,235
559 Mixed 919 1,077
347 SusWrite 673 773
208% 927 MB/s
Min Avg Max
22 4K Read 37.1 44.2
48.3 4K Write 99 128
29.3 4K Mixed 51.6 63.9
175% 62.6 MB/s
Min Avg Max
421 DQ Read 771 980
232 DQ Write 570 833
229 DQ Mixed 657 883
495% 666 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
371GB free (System drive)
Firmware: 20180000
SusWrite @10s intervals: 895 765 741 742 740 740 MB/s
Read 1,224
Write 1,230
Mixed 804
SusWrite 770
226% 1,007 MB/s
4K Read 42.5
4K Write 123
4K Mixed 59.6
206% 75.1 MB/s
DQ Read 922
DQ Write 814
DQ Mixed 851
643% 862 MB/s
268GB free (System drive)
Firmware: 20180000
SusWrite @10s intervals: 957 746 743 749 742 737 MB/s
Read 1,169
Write 1221
Mixed 1,010
SusWrite 779
235% 1,045 MB/s
4K Read 43.7
4K Write 121
4K Mixed 62.2
210% 75.7 MB/s
DQ Read 859
DQ Write 720
DQ Mixed 774
584% 784 MB/s
371GB free (System drive)
Firmware: 20180000
SusWrite @10s intervals: 770 736 733 740 742 744 MB/s
Read 1,224
Write 1,177
Mixed 1,033
SusWrite 744
235% 1,044 MB/s
4K Read 38
4K Write 111
4K Mixed 57
189% 68.7 MB/s
DQ Read 933
DQ Write 830
DQ Mixed 858
650% 874 MB/s
36GB free (System drive)
Firmware: 20180000
SusWrite @10s intervals: 32 32 37 38 38 41 MB/s
Read 3205
Write 35.7
Mixed 67.4
SusWrite 36.3
174% 836 MB/s
4K Read 142
4K Write 2.4
4K Mixed 4.6
223% 49.8 MB/s
184GB free (System drive)
Firmware: 20180000
SusWrite @10s intervals: 818 760 745 740 747 743 MB/s
Read 1,184
Write 1,156
Mixed 1,017
SusWrite 759
231% 1,029 MB/s
4K Read 36.8
4K Write 116
4K Mixed 59.7
194% 70.8 MB/s
DQ Read 882
DQ Write 709
DQ Mixed 803
599% 798 MB/s
430GB free (System drive)
Firmware: 20180000
SusWrite @10s intervals: 809 741 742 720 725 725 MB/s
Read 1,176
Write 1,174
Mixed 1,053
SusWrite 744
233% 1,036 MB/s
4K Read 42.9
4K Write 105
4K Mixed 59
196% 69 MB/s
DQ Read 878
DQ Write 495
DQ Mixed 668
502% 680 MB/s
338GB free (System drive)
Firmware: 20180000
SusWrite @10s intervals: 627 476 464 479 427 448 MB/s
Read 1,201
Write 1,180
Mixed 1,025
SusWrite 487
218% 973 MB/s
4K Read 41.3
4K Write 114
4K Mixed 58.8
198% 71.2 MB/s
DQ Read 898
DQ Write 746
DQ Mixed 819
614% 821 MB/s
331 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 34,751,909 SSDs tested.

Typical PC SN520 SDAPNUW-512G-1114 512GB Builds (Compare 3,375 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 11%
Tree trunk
Desktop
Desktop 62%
Destroyer
Workstation
Workstation 10%
Tree trunk

System: Acer Nitro AN515-43

EDIT WITH CUSTOM PC BUILDER

Popular PC SN520 SDAPNUW-512G-1114 512GB systems:

How Fast Is Your SSD? (Bench your build) Size up your PC in less than a minute.

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  • - CPU tests include: integer, floating and string.
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Solid State Drive Rankings (Price vs Performance) November 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

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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The Best.
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Intel Core i5-9400F $150Nvidia GTX 1660S (Super) $240Samsung 850 Evo 120GB $78
Intel Core i5-10600K $260Nvidia GTX 1650S (Super) $190Samsung 860 Evo 250GB $50
HDDRAMUSB
Seagate Barracuda 1TB (2016) $43Corsair Vengeance LPX DDR4 3200 C16 2x8GB $64SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $40Corsair Vengeance LPX DDR4 3000 C15 2x8GB $71SanDisk Extreme 32GB $28
Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $649SanDisk Ultra Fit 32GB $16
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