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WDC

WDS400T2B0A 4TB

▲ 500 ▼

Release date ≈ Q2 2021.

Average Bench: 72.6% (622nd of 1072)

Based on 24 user benchmarks.  Model: WDC WDS400T2B0A
Poor: 55%Average: 72.6% Great: 84%

Popular builds with this SSD

Good average bench

The WDC WDS400T2B0A 4TB averaged 27.4% lower than the peak scores attained by the group leaders. This isn't a great result which indicates that there are much faster alternatives on the comparison list.

Strengths

Avg. 4K-64Thread Mixed IO Speed 129MB/s
Avg. 4K Random Read Speed 21.5MB/s

Good consistency

The range of scores (95th - 5th percentile) for the WDC WDS400T2B0A 4TB is 29.4%. This is a relatively narrow range which indicates that the WDC WDS400T2B0A 4TB performs reasonably consistently under varying real world conditions.

Weaknesses

Avg. 4K-64Thread Read Speed 144MB/s
Avg. Sequential Mixed IO Speed 277MB/s
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Average Bench

(Based on 24 samples)
Rank 62272.6%
Min Avg Max
213 Read 355 472
231 Write 383 423
145 Mixed 277 376
200 SusWrite 361 420
77.6% 344 MB/s
Min Avg Max
10.5 4K Read 21.5 30.3
21 4K Write 54.9 74.7
8.1 4K Mixed 24.8 40.1
93.5% 33.8 MB/s
Min Avg Max
89.2 DQ Read 144 294
171 DQ Write 201 330
68.8 DQ Mixed 129 229
110% 158 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
1TB free
Firmware: 4150
SusWrite @10s intervals: 365 338 358 372 379 401 MB/s
86.6% Excellent
Read 332
Write 372
Mixed 253
SusWrite 369
75% 331 MB/s
4K Read 26.4
4K Write 74.7
4K Mixed 40.1
131% 47.1 MB/s
DQ Read 249
DQ Write 190
DQ Mixed 194
152% 211 MB/s
3.5TB free
Firmware: 20WD
SusWrite @10s intervals: 407 404 361 408 382 374 MB/s
84% Excellent
Read 447
Write 384
Mixed 303
SusWrite 389
86% 381 MB/s
4K Read 30
4K Write 37.6
4K Mixed 27.7
101% 31.8 MB/s
DQ Read 289
DQ Write 222
DQ Mixed 229
178% 247 MB/s
3.5TB free
Firmware: 4150
SusWrite @10s intervals: 303 314 319 322 323 317 MB/s
63.7% Good
Read 299
Write 418
Mixed 220
SusWrite 316
71% 313 MB/s
4K Read 17.3
4K Write 41.2
4K Mixed 20.5
74% 26.3 MB/s
DQ Read 99.5
DQ Write 330
DQ Mixed 122
120% 184 MB/s
474GB free
Firmware: 4110
SusWrite @10s intervals: 275 149 214 153 191 217 MB/s
38.3% Below average
Read 219
Write 316
Mixed 145
SusWrite 200
50% 220 MB/s
4K Read 10.5
4K Write 21
4K Mixed 8.1
37% 13.2 MB/s
DQ Read 96.6
DQ Write 182
DQ Mixed 68.8
72% 116 MB/s
24 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 75,761,379 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 WDS400T2B0A 4TB Builds (Compare 1,752 builds) See popular component choices, score breakdowns and rankings
Gaming
Gaming 18%
Surfboard
Desktop
Desktop 66%
Battle cruiser
Workstation
Workstation 19%
Surfboard

System: HP Z820 Workstation

CPU
CPU: Intel Xeon E5-2670 01stBench 65%, 4,306 samples145x
CPU: Intel Xeon E5-2690 01stBench 68%, 2,388 samples114x
CPU: Intel Xeon E5-2687W 01stBench 71%, 1,646 samples87x
GPU
Quadro K4000NvidiaBench 13%, 11,114 samples145x
Quadro K5000NvidiaBench 21%, 3,775 samples139x
GTX 1060-6GBNvidia  $117Bench 56%, 1,368,019 samples67x
SSD
WDS400T2B0A 4TBWDCBench 73%, 24 samples1x
RAM
M393B2G70DB0-CMA 16x16GBSamsungBench 101%, 41 samples25x
M391B5173QH0-CMA 8x4GBSamsungBench 84%, 111 samples19x
M393B1G70QH0-CMA 4x8GBSamsungBench 82%, 512 samples18x
EDIT WITH CUSTOM PC BUILDER

Popular WDS400T2B0A 4TB 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.

UserBenchmark of the month

Gaming Desktop ProGaming

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) 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

vs Crucial MX500 250GB
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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 $269Nvidia RTX 4060 $300Crucial MX500 250GB $40
Intel Core i5-12400F $133Nvidia RTX 4060-Ti $385Samsung 850 Evo 120GB $80
Intel Core i5-12600K $177Nvidia RTX 4070 $539Samsung 860 Evo 250GB $52
HDDRAMUSB
Seagate Barracuda 1TB (2016) $39Corsair Vengeance LPX DDR4 3200 C16 2x8GB $40SanDisk 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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