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WDC

PC SN520 SDAPMUW-256G-1101 256GB

▲ 500 ▼

Release date ≈ Q4 2018.

Average Bench: 141% (151st of 1057)

Based on 4,923 user benchmarks.  Model: WDC PC SN520 SDAPMUW-256G-1101
Poor: 93%Average: 141% Great: 182%

Popular builds with this SSD

Outstanding average bench

The WDC PC SN520 SDAPMUW-256G-1101 256GB averaged 41.5% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the WDC PC SN520 SDAPMUW-256G-1101 256GB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Mixed IO Speed 577MB/s
Avg. 4K-64Thread Read Speed 706MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the WDC PC SN520 SDAPMUW-256G-1101 256GB is 88.9%. This is a particularly wide range which indicates that the WDC PC SN520 SDAPMUW-256G-1101 256GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sustained Write Speed 341MB/s
Avg. Sequential Mixed IO Speed 712MB/s
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Average Bench

(Based on 4,923 samples)
Rank 151141%
Min Avg Max
539 Read 894 1,191
422 Write 821 1,151
401 Mixed 712 991
203 SusWrite 341 440
155% 692 MB/s
Min Avg Max
18 4K Read 38.3 47.4
47.6 4K Write 111 159
24.7 4K Mixed 52.1 69.5
183% 67 MB/s
Min Avg Max
295 DQ Read 706 858
138 DQ Write 567 901
198 DQ Mixed 577 732
448% 617 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
198GB free (System drive)
Firmware: 20110001
SusWrite @10s intervals: 487 434 434 434 437 437 MB/s
166% Outstanding
Read 851
Write 682
Mixed 648
SusWrite 444
147% 656 MB/s
4K Read 44.9
4K Write 138
4K Mixed 65.7
225% 82.9 MB/s
DQ Read 852
DQ Write 716
DQ Mixed 722
558% 763 MB/s
124GB free (System drive)
Firmware: 20210001
SusWrite @10s intervals: 304 287 262 249 254 255 MB/s
156% Outstanding
Read 1,114
Write 958
Mixed 1,026
SusWrite 268
188% 842 MB/s
4K Read 41.2
4K Write 118
4K Mixed 60.1
202% 73 MB/s
DQ Read 843
DQ Write 615
DQ Mixed 664
514% 708 MB/s
109GB free (System drive)
Firmware: 20240001
SusWrite @10s intervals: 411 349 337 320 334 318 MB/s
154% Outstanding
Read 789
Write 661
Mixed 602
SusWrite 345
134% 599 MB/s
4K Read 43.1
4K Write 136
4K Mixed 61.9
217% 80.4 MB/s
DQ Read 845
DQ Write 698
DQ Mixed 714
550% 752 MB/s
93GB free (System drive)
Firmware: 20240001
SusWrite @10s intervals: 324 254 227 228 235 229 MB/s
143% Outstanding
Read 726
Write 753
Mixed 724
SusWrite 250
138% 613 MB/s
4K Read 42.8
4K Write 134
4K Mixed 61
214% 79.3 MB/s
DQ Read 858
DQ Write 585
DQ Mixed 625
493% 689 MB/s
4,923 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 44,075,775 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 SDAPMUW-256G-1101 256GB Builds (Compare 1,045 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 11%
Tree trunk
Desktop
Desktop 68%
Battle cruiser
Workstation
Workstation 11%
Tree trunk

System: Lenovo 81W8

CPU
Core i5-1035G1IntelBench 65%, 29,930 samples407x
Core i3-1005G1IntelBench 59%, 13,505 samples402x
Core i7-1065G7IntelBench 66%, 36,695 samples135x
GPU
UHD G1IntelBench 6%, 35,726 samples808x
Iris Plus G7IntelBench 11%, 30,062 samples135x
Iris Plus G4IntelBench 8%, 6,641 samples101x
SSD
PC SN520 SDAPMUW-256G-1101 256GBWDCBench 141%, 4,923 samples242x
RAM
M471A5244CB0-CTD Micron 4ATF51264HZ-3G2J1 8GBSamsungBench 68%, 706 samples217x
M471A5244CB0-CTD M471A5244CB0-CTD 8GBSamsungBench 70%, 325 samples168x
4ATF51264HZ-3G2J1 1x4GBMicronBench 34%, 3,858 samples138x
EDIT WITH CUSTOM PC BUILDER

Popular PC SN520 SDAPMUW-256G-1101 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.

UserBenchmark of the month

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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.
  • - 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) June 2021 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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Speed Comparisons

vs Crucial MX500 250GB
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1057 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 i5-11400F $220Nvidia RTX 3070 $500Crucial MX500 250GB $40
Intel Core i5-11600K $259Nvidia RTX 3060-Ti $400Samsung 850 Evo 120GB $78
Intel Core i7-11700K $380Nvidia RTX 3080 $700Samsung 860 Evo 250GB $52
HDDRAMUSB
Seagate Barracuda 1TB (2016) $45Corsair Vengeance LPX DDR4 3200 C16 2x8GB $79SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $35Corsair Vengeance LPX DDR4 3000 C15 2x8GB $95SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $649SanDisk Ultra Fit 32GB $16
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