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WDC

PC SN520 SDAPNUW-256G-1006 256GB

▲ 501 ▼

Release date ≈ Q4 2018.

Average Bench: 146% (116th of 1011)

Based on 2,859 user benchmarks.  Model: WDC PC SN520 SDAPNUW-256G-1006
Poor: 93%Average: 146% Great: 177%

Popular builds with this SSD

Outstanding average bench

The WDC PC SN520 SDAPNUW-256G-1006 256GB averaged 45.6% 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 593MB/s
Avg. 4K-64Thread Write Speed 663MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the WDC PC SN520 SDAPNUW-256G-1006 256GB is 84.3%. 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 397MB/s
Avg. Sequential Mixed IO Speed 705MB/s
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Average Bench

(Based on 2,859 samples)
Rank 116146%
Min Avg Max
564 Read 869 1,191
413 Write 793 1,153
438 Mixed 705 996
263 SusWrite 397 444
155% 691 MB/s
Min Avg Max
22.6 4K Read 38.4 47.4
45.2 4K Write 111 166
25.2 4K Mixed 52.3 69.7
184% 67.1 MB/s
Min Avg Max
137 DQ Read 685 859
179 DQ Write 663 1,055
158 DQ Mixed 593 733
468% 647 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
175GB free (System drive)
Firmware: 20120006
SusWrite @10s intervals: 532 423 426 427 427 425 MB/s
175% Outstanding
Read 1,187
Write 1,184
Mixed 1,000
SusWrite 443
214% 954 MB/s
4K Read 43.2
4K Write 124
4K Mixed 61.9
210% 76.3 MB/s
DQ Read 829
DQ Write 746
DQ Mixed 717
557% 764 MB/s
131GB free (System drive)
Firmware: 20120006
SusWrite @10s intervals: 579 427 428 428 428 428 MB/s
160% Outstanding
Read 1,044
Write 1,038
Mixed 614
SusWrite 453
176% 787 MB/s
4K Read 29.5
4K Write 109
4K Mixed 49.9
166% 62.7 MB/s
DQ Read 738
DQ Write 996
DQ Mixed 730
590% 821 MB/s
127GB free (System drive)
Firmware: 20110006
SusWrite @10s intervals: 412 319 281 286 298 296 MB/s
148% Outstanding
Read 742
Write 701
Mixed 669
SusWrite 315
136% 607 MB/s
4K Read 17.1
4K Write 152
4K Mixed 69
195% 79.3 MB/s
DQ Read 852
DQ Write 819
DQ Mixed 728
576% 800 MB/s
188GB free (System drive)
Firmware: 20120006
SusWrite @10s intervals: 471 406 403 409 421 418 MB/s
121% Outstanding
Read 894
Write 830
Mixed 731
SusWrite 421
161% 719 MB/s
4K Read 28.4
4K Write 67.7
4K Mixed 41
131% 45.7 MB/s
DQ Read 474
DQ Write 331
DQ Mixed 430
314% 412 MB/s
2,859 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 19,849,350 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 3,105 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 57%
Gunboat
Desktop
Desktop 91%
Nuclear submarine
Workstation
Workstation 71%
Battleship

System: HP OMEN by HP Obelisk Desktop 875-0xxx

CPU
Core i7-8700Intel  $340Bench 88%, 135,728 samples2,272x
Core i7-9700Intel  $336Bench 94%, 5,359 samples431x
Core i5-8400Intel  $194Bench 79%, 134,689 samples109x
GPU
GTX 1060-3GBNvidia  $187Bench 54%, 310,616 samples966x
RTX 2080Nvidia  $650Bench 120%, 126,306 samples460x
GTX 1660-TiNvidia  $272Bench 75%, 59,210 samples409x
SSD
PC SN520 SDAPNUW-256G-1006 256GBWDCBench 146%, 2,859 samples171x
RAM
HP26D4U6D8ME-16X 1x16GBKingstonBench 48%, 1,630 samples1,300x
HP26D4U9D8ME-16X 1x16GBKingstonBench 49%, 1,251 samples884x
HP26D4U9S8ME-8X 2x8GBKingstonBench 82%, 518 samples178x
EDIT WITH CUSTOM PC BUILDER Value: 78% - Very good Total price: $527

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 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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Gaming Desktop Workstation

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.
  • - Identify the strongest components in your PC.
  • - See speed test results from other users.
  • - Compare your components to the current market leaders.
  • - Explore your best upgrade options with a virtual PC build.
  • - Compare your in-game FPS to other users with your hardware.
  • - Share your opinion by voting.
Solid State Drive Rankings (Price vs Performance) December 2019 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

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Reaching its prime
Age: 13 months

Speed Comparisons

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1011 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 i5-9400F $145Nvidia GTX 1660S (Super) $244Crucial MX500 250GB $39
Intel Core i5-9600K $200Nvidia RTX 2060 $324Samsung 850 Evo 120GB $150
Intel Core i7-9700K $360AMD RX 590 $180Samsung 860 Evo 250GB $54
HDDRAMUSB
Seagate Barracuda 1TB (2016) $32Corsair Vengeance LPX DDR4 3200 C16 2x8GB $76SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $38Corsair Vengeance LPX DDR4 3000 C15 2x8GB $58SanDisk Extreme 32GB $46
Seagate Barracuda 3TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $613SanDisk Extreme 16GB $24
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