Average Bench: 152% (156th of 1074)

Based on 17,295 user benchmarks.  Model: WDC PC SN520 SDAPNUW-256G-1006

Outstanding average bench

The WDC PC SN520 SDAPNUW-256G-1006 256GB averaged 51.7% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the WDC PC SN520 SDAPNUW-256G-1006 256GB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Mixed IO Speed 583MB/s
Avg. 4K-64Thread Write Speed 647MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the WDC PC SN520 SDAPNUW-256G-1006 256GB is 117%. This is a particularly wide range which indicates that the WDC PC SN520 SDAPNUW-256G-1006 256GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sustained Write Speed 340MB/s
Avg. Sequential Mixed IO Speed 711MB/s
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Average Bench

(Based on 17,295 samples)
Min Avg Max
490 Read 958 1,201
242 Write 844 1,200
314 Mixed 711 1,008
189 SusWrite 340 446
160% 713 MB/s
Min Avg Max
17.3 4K Read 45.9 49.1
37.2 4K Write 122 197
22.8 4K Mixed 55.1 73.9
205% 74.3 MB/s
Min Avg Max
317 DQ Read 712 860
171 DQ Write 647 1,107
186 DQ Mixed 583 733
464% 647 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
13GB free (System drive)
Firmware: 20120006
SusWrite @10s intervals: 36 38 40 41 40 41 MB/s
Read 5,057
Write 38.3
Mixed 83.8
SusWrite 39.3
271% 1,305 MB/s
4K Read 457
4K Write 2.8
4K Mixed 5.4
700% 155 MB/s
124GB free
Firmware: 20120006
SusWrite @10s intervals: 622 425 422 422 416 420 MB/s
Read 1,193
Write 1,230
Mixed 1,005
SusWrite 455
218% 971 MB/s
4K Read 41.7
4K Write 122
4K Mixed 57.6
202% 73.9 MB/s
DQ Read 827
DQ Write 1187
DQ Mixed 723
626% 912 MB/s
105GB free (System drive)
Firmware: 20120006
SusWrite @10s intervals: 360 249 242 234 238 234 MB/s
Read 1,179
Write 1,198
Mixed 970
SusWrite 260
202% 902 MB/s
4K Read 41.5
4K Write 137
4K Mixed 52.7
203% 77 MB/s
DQ Read 602
DQ Write 762
DQ Mixed 731
538% 698 MB/s
76GB free (System drive)
Firmware: 20120006
SusWrite @10s intervals: 341 307 274 273 265 263 MB/s
Read 837
Write 762
Mixed 786
SusWrite 287
150% 668 MB/s
4K Read 34
4K Write 104
4K Mixed 51.9
173% 63.4 MB/s
DQ Read 653
DQ Write 528
DQ Mixed 592
443% 591 MB/s
119GB free (System drive)
Firmware: 20120006
SusWrite @10s intervals: 283 275 268 264 270 256 MB/s
Read 710
Write 708
Mixed 645
SusWrite 270
131% 583 MB/s
4K Read 18.3
4K Write 63.6
4K Mixed 21.3
89% 34.4 MB/s
DQ Read 352
DQ Write 248
DQ Mixed 217
184% 272 MB/s
40GB free (System drive)
Firmware: 20120006
SusWrite @10s intervals: 139 135 136 128 124 125 MB/s
Read 475
Write 128
Mixed 225
SusWrite 131
53% 240 MB/s
4K Read 13.9
4K Write 37
4K Mixed 12.1
56% 21 MB/s
DQ Read 281
DQ Write 189
DQ Mixed 196
157% 222 MB/s
17,295 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 75,944,788 SSDs tested

Typical PC SN520 SDAPNUW-256G-1006 256GB Builds (Compare 5,363 builds) See popular component choices, score breakdowns and rankings
Gaming
Gaming 178%
UFO
Desktop
Desktop 98%
Nuclear submarine
Workstation
Workstation 177%
UFO

System: HP OMEN 30L Desktop GT13-0xxx

EDIT WITH CUSTOM PC BUILDER Value: 60% - Above average Total price: $1,123

Popular PC SN520 SDAPNUW-256G-1006 256GB systems:

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Solid State Drive Rankings (Price vs Performance) May 2024 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

1074 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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Intel Core i3-12100F $80Nvidia RTX 4070 $500Samsung 870 Evo 250GB $45
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