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WDC

PC SN520 SDAPNUW-256G-1014 256GB

▲ 500 ▼

Release date ≈ Q1 2019.

Average Bench: 131% (184th of 1080)

Based on 2,257 user benchmarks.  Model: WDC PC SN520 SDAPNUW-256G-1014
Poor: 67%Average: 131% Great: 180%

Popular builds with this SSD

Outstanding average bench

The WDC PC SN520 SDAPNUW-256G-1014 256GB averaged 30.9% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the WDC PC SN520 SDAPNUW-256G-1014 256GB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Mixed IO Speed 483MB/s
Avg. 4K-64Thread Read Speed 622MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the WDC PC SN520 SDAPNUW-256G-1014 256GB is 113%. This is a particularly wide range which indicates that the WDC PC SN520 SDAPNUW-256G-1014 256GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sustained Write Speed 317MB/s
Avg. 4K Random Write Speed 95.5MB/s

Average Bench

(Based on 2,257 samples)
Rank 184131%
Min Avg Max
363 Read 883 1,206
271 Write 812 1,191
321 Mixed 684 1,073
170 SusWrite 317 442
151% 674 MB/s
Min Avg Max
15.4 4K Read 38.8 47.1
24.1 4K Write 95.5 153
16.2 4K Mixed 47.2 68.2
170% 60.5 MB/s
Min Avg Max
153 DQ Read 622 855
104 DQ Write 466 940
118 DQ Mixed 483 730
377% 523 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
150GB free (System drive)
Firmware: 20110000
SusWrite @10s intervals: 431 309 312 334 321 323 MB/s
117% Outstanding
Read 1,111
Write 1,005
Mixed 788
SusWrite 338
181% 811 MB/s
4K Read 28.2
4K Write 70.5
4K Mixed 35.9
126% 44.9 MB/s
DQ Read 344
DQ Write 239
DQ Mixed 295
219% 293 MB/s
188GB free (System drive)
Firmware: 20110000
SusWrite @10s intervals: 413 353 326 329 294 289 MB/s
102% Outstanding
Read 930
Write 953
Mixed 791
SusWrite 334
169% 752 MB/s
4K Read 27.8
4K Write 53.7
4K Mixed 23.3
100% 34.9 MB/s
DQ Read 395
DQ Write 266
DQ Mixed 313
238% 325 MB/s
164GB free (System drive)
Firmware: 20110000
SusWrite @10s intervals: 429 344 328 314 305 324 MB/s
97.7% Outstanding
Read 654
Write 608
Mixed 600
SusWrite 341
124% 551 MB/s
4K Read 30.3
4K Write 54.3
4K Mixed 38
123% 40.9 MB/s
DQ Read 340
DQ Write 207
DQ Mixed 267
201% 271 MB/s
134GB free (System drive)
Firmware: 20110000
SusWrite @10s intervals: 372 309 289 292 298 287 MB/s
93.9% Outstanding
Read 839
Write 956
Mixed 858
SusWrite 308
166% 740 MB/s
4K Read 27.9
4K Write 41.7
4K Mixed 29.3
102% 33 MB/s
DQ Read 274
DQ Write 176
DQ Mixed 207
159% 219 MB/s
80GB free (System drive)
Firmware: 20110000
SusWrite @10s intervals: 252 169 219 172 170 175 MB/s
88.2% Excellent
Read 701
Write 750
Mixed 782
SusWrite 193
136% 606 MB/s
4K Read 25.6
4K Write 59
4K Mixed 34.7
114% 39.8 MB/s
DQ Read 345
DQ Write 226
DQ Mixed 321
230% 297 MB/s
134GB free (System drive)
Firmware: 20110000
SusWrite @10s intervals: 384 339 340 322 314 338 MB/s
74% Very good
Read 588
Write 627
Mixed 500
SusWrite 339
116% 514 MB/s
4K Read 17
4K Write 37.7
4K Mixed 25.5
78% 26.7 MB/s
DQ Read 137
DQ Write 86.7
DQ Mixed 85.4
71% 103 MB/s
2,257 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 77,517,069 SSDs tested

Custom PC Builder (Start a new build) Build your perfect PC: compare component prices, popularity, speed and value for money

CHOOSE A COMPONENT:

CPU GPU SSD HDD RAM MBD
Typical PC SN520 SDAPNUW-256G-1014 256GB Builds (Compare 276 builds) See popular component choices, score breakdowns and rankings
Gaming
Gaming 13%
Tree trunk
Desktop
Desktop 72%
Battleship
Workstation
Workstation 12%
Tree trunk

System: Acer Aspire A515-44

CPU
Ryzen 5 4500UAMDBench 71%, 28,533 samples171x
Ryzen 7 4700UAMDBench 75%, 19,248 samples65x
Ryzen 3 4300UAMDBench 68%, 4,587 samples40x
GPU
RX Vega 8 4000 (iGPU)AMDBench 13%, 162,082 samples276x
SSD
PC SN520 SDAPNUW-256G-1014 256GBWDCBench 131%, 2,257 samples1x
RAM
HMAA1GS6CMR6N-VK 1x8GBHynixBench 40%, 1,684 samples41x
4ATF51264HZ-3G2J1 Hynix HMA851S6CJR6N-VK 8GBMicronBench 66%, 1,340 samples31x
HMA851S6CJR6N-VK 2x4GBHynixBench 61%, 15,613 samples26x
EDIT WITH CUSTOM PC BUILDER

Popular PC SN520 SDAPNUW-256G-1014 256GB systems:

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 Frequently Asked Questions

Storage Devices FAQ
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The Best
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Intel Core i5-12600K $159Nvidia RTX 4060 $295WD Black SN850X M.2 2TB $135
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Intel Core i5-12400F $111Nvidia RTX 4070 $500Crucial T700 M.2 4TB $370
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