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WDC

PC SN520 SDAPNUW-256G-1006 256GB

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Release date ≈ Q4 2018.

Average Bench: 152% (154th of 1072)

Based on 17,295 user benchmarks.  Model: WDC PC SN520 SDAPNUW-256G-1006
Poor: 80%Average: 152% Great: 197%

Popular builds with this SSD

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)
Rank 154152%
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: 17 38 38 37 38 38 MB/s
308% Outstanding
Read 4,100
Write 36.3
Mixed 75
SusWrite 34.1
221% 1,061 MB/s
4K Read 352
4K Write 2.2
4K Mixed 3.4
538% 119 MB/s
159GB free (System drive)
Firmware: 20110006
SusWrite @10s intervals: 514 319 305 304 316 315 MB/s
182% Outstanding
Read 1,204
Write 1,178
Mixed 702
SusWrite 345
191% 857 MB/s
4K Read 36.6
4K Write 158
4K Mixed 68.4
226% 87.5 MB/s
DQ Read 828
DQ Write 1,084
DQ Mixed 729
614% 881 MB/s
69GB free (System drive)
Firmware: 20120006
SusWrite @10s intervals: 446 416 262 242 242 233 MB/s
136% Outstanding
Read 1,083
Write 937
Mixed 880
SusWrite 307
179% 802 MB/s
4K Read 35.7
4K Write 91.8
4K Mixed 49.3
166% 58.9 MB/s
DQ Read 611
DQ Write 400
DQ Mixed 498
374% 503 MB/s
90GB free (System drive)
Firmware: 20120006
SusWrite @10s intervals: 364 232 225 223 223 217 MB/s
99.6% Outstanding
Read 656
Write 564
Mixed 593
SusWrite 247
115% 515 MB/s
4K Read 26.3
4K Write 70.5
4K Mixed 37.4
125% 44.7 MB/s
DQ Read 567
DQ Write 301
DQ Mixed 404
308% 424 MB/s
17,295 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 75,698,621 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-1006 256GB Builds (Compare 5,308 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

CPU
Core i7-10700KIntel  $236Bench 97%, 198,859 samples1,573x
Core i9-10850KIntel  $286Bench 99%, 84,873 samples1,300x
Ryzen 7 3700XAMD  $205Bench 86%, 635,419 samples746x
GPU
RTX 3080Nvidia  $910Bench 187%, 424,051 samples1,696x
RTX 3090Nvidia  $1,306Bench 210%, 158,856 samples805x
RTX 2060Nvidia  $324Bench 90%, 645,160 samples571x
SSD
PC SN520 SDAPNUW-256G-1006 256GBWDCBench 152%, 17,295 samples1x
RAM
HP32D4U8D8HC-16X 2x16GBKingstonBench 97%, 1,949 samples844x
HP32D4U8S8HC-8XR 2x8GBKingstonBench 84%, 3,401 samples600x
HP32D4U8D8HC-16XR 2x16GBKingstonBench 98%, 1,304 samples497x
EDIT WITH CUSTOM PC BUILDER Value: 59% - Above average Total price: $1,146

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

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

Welcome to our 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 value for money 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
  • - SkillBench (space shooter) tests user input accuracy
  • - Reports are generated and presented on userbenchmark.com
  • - Identify the strongest components in your PC
  • - See speed test results from other users
  • - Compare your components to the current market leaders
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  • - Compare your in-game FPS to other users with your hardware
Solid State Drive Rankings (Price vs Performance) April 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.

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Speed Comparisons

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1072 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

Storage Devices FAQ
What is sustained sequential write speed?
What’s the difference between SLC, MLC and TLC?
What is 3D XPoint and how fast is it?
What’s the difference between SATA, PCIe and NVMe?
What’s the difference between NAND and V-NAND?
What is sequential write speed?
What is sequential read speed?
What is incompressible data?
What is queue depth?
Solid State Drives
What is the SSD value for money rating?
What is 4K 64 thread write speed?
Can CPU power saving states (C1,C2,C3) impact SSD speed?
What is the effective SSD speed index?
How is the AS SSD write score calculated?
How is the AS SSD read score calculated?
How is the AS SSD total score calculated?
ALL FAQs »

 Best User Rated
The Best.
CPUGPUSSD
Intel Core i5-13600K $273Nvidia RTX 4060 $295Crucial MX500 250GB $40
Intel Core i5-12400F $133Nvidia RTX 4060-Ti $385Samsung 850 Evo 120GB $80
Intel Core i5-12600K $179Nvidia RTX 4070 $539Samsung 860 Evo 250GB $52
HDDRAMUSB
Seagate Barracuda 1TB (2016) $39Corsair Vengeance LPX DDR4 3200 C16 2x8GB $45SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $37Corsair Vengeance LPX DDR4 3000 C15 2x8GB $43SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $51G.SKILL Trident Z DDR4 3200 C14 4x16GB $351SanDisk Ultra Fit 32GB $16
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