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WDC

PC SN520 SDAPNUW-128G-1014 128GB

▲ 500 ▼

Release date ≈ Q2 2019.

Average Bench: 103% (231st of 1058)

Based on 2,314 user benchmarks.  Model: WDC PC SN520 SDAPNUW-128G-1014
Poor: 59%Average: 103% Great: 150%

Popular builds with this SSD

Outstanding average bench

The WDC PC SN520 SDAPNUW-128G-1014 128GB averaged 3.4% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the WDC PC SN520 SDAPNUW-128G-1014 128GB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Mixed IO Speed 274MB/s
Avg. 4K Random Read Speed 39.6MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the WDC PC SN520 SDAPNUW-128G-1014 128GB is 90.8%. This is a particularly wide range which indicates that the WDC PC SN520 SDAPNUW-128G-1014 128GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sustained Write Speed 178MB/s
Avg. Sequential Mixed IO Speed 424MB/s
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Average Bench

(Based on 2,314 samples)
Rank 231103%
Min Avg Max
334 Read 739 968
108 Write 512 753
197 Mixed 424 722
78.6 SusWrite 178 230
103% 463 MB/s
Min Avg Max
14.9 4K Read 39.6 48.7
14 4K Write 84.1 154
11.7 4K Mixed 41.9 64.8
158% 55.2 MB/s
Min Avg Max
187 DQ Read 354 438
121 DQ Write 325 616
139 DQ Mixed 274 406
223% 317 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
90GB free (System drive)
Firmware: 20110000
SusWrite @10s intervals: 272 213 218 217 219 219 MB/s
127% Outstanding
Read 869
Write 758
Mixed 685
SusWrite 226
142% 634 MB/s
4K Read 36.9
4K Write 112
4K Mixed 55.3
186% 67.9 MB/s
DQ Read 424
DQ Write 519
DQ Mixed 394
319% 446 MB/s
66GB free (System drive)
Firmware: 20110000
SusWrite @10s intervals: 232 279 218 219 220 200 MB/s
125% Outstanding
Read 836
Write 746
Mixed 713
SusWrite 228
141% 631 MB/s
4K Read 39.1
4K Write 105
4K Mixed 54.8
185% 66.4 MB/s
DQ Read 422
DQ Write 462
DQ Mixed 297
264% 394 MB/s
87GB free (System drive)
Firmware: 20110000
SusWrite @10s intervals: 260 214 218 212 219 218 MB/s
98.1% Outstanding
Read 610
Write 534
Mixed 521
SusWrite 224
106% 472 MB/s
4K Read 33.2
4K Write 75.3
4K Mixed 40.5
142% 49.7 MB/s
DQ Read 437
DQ Write 289
DQ Mixed 371
275% 366 MB/s
95GB free (System drive)
Firmware: 20110000
SusWrite @10s intervals: 200 214 210 205 206 209 MB/s
81.7% Excellent
Read 340
Write 316
Mixed 315
SusWrite 207
66% 295 MB/s
4K Read 31.4
4K Write 64.9
4K Mixed 37.6
130% 44.6 MB/s
DQ Read 438
DQ Write 244
DQ Mixed 232
202% 304 MB/s
46GB free (System drive)
Firmware: 20110000
SusWrite @10s intervals: 188 173 140 144 142 141 MB/s
74.6% Very good
Read 337
Write 296
Mixed 322
SusWrite 155
62% 278 MB/s
4K Read 31.4
4K Write 54.5
4K Mixed 30.4
115% 38.8 MB/s
DQ Read 420
DQ Write 317
DQ Mixed 260
224% 332 MB/s
2,314 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 56,069,932 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-128G-1014 128GB Builds (Compare 3,394 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 3%
Tree trunk
Desktop
Desktop 48%
Yacht
Workstation
Workstation 3%
Tree trunk

System: Acer Aspire A515-43

CPU
Ryzen 3 3200UAMDBench 46%, 21,373 samples2,352x
Ryzen 5 3500UAMDBench 53%, 69,401 samples836x
Ryzen 7 3700UAMDBench 53%, 21,174 samples199x
GPU
Radeon Vega 3 GraphicsAMDBench 4%, 24,486 samples2,358x
Radeon Vega 8 GraphicsAMDBench 11%, 125,997 samples836x
Radeon RX Vega 10 GraphicsAMDBench 12%, 37,155 samples199x
SSD
PC SN520 SDAPNUW-128G-1014 128GBWDCBench 103%, 2,314 samples744x
RAM
M471A5244CB0-CTD 1x4GBSamsungBench 30%, 51,503 samples452x
HMA851S6JJR6N-VK 1x4GBHynixBench 31%, 5,476 samples305x
ACR26D4S9S8ME-8 1x8GBKingstonBench 41%, 18,654 samples237x
EDIT WITH CUSTOM PC BUILDER

Popular PC SN520 SDAPNUW-128G-1014 128GB 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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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.
  • - Explore your best upgrade options with a virtual PC build.
  • - Compare your in-game FPS to other users with your hardware.
Solid State Drive Rankings (Price vs Performance) June 2022 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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1058 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 i5-12600K $280Nvidia RTX 3060-Ti $400Crucial MX500 250GB $45
Intel Core i5-12400F $170Nvidia RTX 3070 $500Samsung 850 Evo 120GB $111
Intel Core i7-12700K $380Nvidia RTX 3050 $250Samsung 860 Evo 250GB $52
HDDRAMUSB
Seagate Barracuda 1TB (2016) $33Corsair Vengeance LPX DDR4 3200 C16 2x8GB $69SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $32Corsair Vengeance LPX DDR4 3000 C15 2x8GB $68SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $71G.SKILL Trident Z DDR4 3200 C14 4x16GB $470SanDisk Ultra Fit 32GB $16
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