Average Bench: 44.3% (424th of 1015)

more Based on 805 user benchmarks.  Models: WDC WD6400AADS-00M2B0, WDC WD6400AADS-11M2B1, WDC WD6400AADS-11M2B2, WDC WD64 00AADS-00M2B, WDC WD6400AADS-32P8B0, WDC WD6400AADS-00M2B, WDC WD64 00AADS-00M2B0, WDC WD6400AADS-0

Below average average bench

The WD WD6400AADS-00M2B0 640GB averaged 55.6% 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 Random Mixed IO Speed 0.63MB/s
Avg. 4K Random Write Speed 1.56MB/s

Above average consistency

The range of scores (95th - 5th percentile) for the WD WD6400AADS-00M2B0 640GB is 38.8%. This is a relatively wide range which indicates that the WD WD6400AADS-00M2B0 640GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sequential Mixed IO Speed 49.2MB/s
Avg. Sustained Write Speed 75.5MB/s
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Average Bench

(Based on 805 samples)
Min Avg Max
27.2 Read 78.9 104
25.4 Write 76.3 101
24.6 Mixed 49.2 66
29.6 SusWrite 75.5 103
51.4% 70 MB/s
Min Avg Max
0.2 4K Read 0.54 0.7
0.6 4K Write 1.56 2.1
0.2 4K Mixed 0.63 0.8
121% 0.91 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest HDD (mainstream) averages a speed of 100%
596GB free
Firmware: 80.00A80
SusWrite @10s intervals: 101 100 102 103 103 103 MB/s
Read 105
Write 99.7
Mixed 61.4
SusWrite 102
68% 92 MB/s
4K Read 0.5
4K Write 1.2
4K Mixed 0.6
110% 0.77 MB/s
360GB free
Firmware: 01.00A01
SusWrite @10s intervals: 98 100 101 101 101 101 MB/s
Read 91.5
Write 91.8
Mixed 50
SusWrite 100
61% 83.4 MB/s
4K Read 0.5
4K Write 2.2
4K Mixed 0.7
139% 1.13 MB/s
170GB free
Firmware: 01.00A01
SusWrite @10s intervals: 95 97 97 97 98 97 MB/s
Read 92.5
Write 88.8
Mixed 52
SusWrite 96.9
60% 82.6 MB/s
4K Read 0.5
4K Write 1.5
4K Mixed 0.5
104% 0.83 MB/s
520GB free (System drive)
Firmware: 01.0
SusWrite @10s intervals: 84 84 89 90 90 91 MB/s
Read 99.5
Write 93.4
Mixed 69.2
SusWrite 88.1
65% 87.5 MB/s
4K Read 0.7
4K Write 1.9
4K Mixed 0.8
153% 1.13 MB/s
242GB free
Firmware: 01.00A01
SusWrite @10s intervals: 88 90 90 91 91 90 MB/s
Read 76.2
Write 76.5
Mixed 59.3
SusWrite 89.9
56% 75.5 MB/s
4K Read 0.6
4K Write 1.7
4K Mixed 0.7
134% 1 MB/s
294GB free
Firmware: 01.00A01
SusWrite @10s intervals: 84 84 84 85 85 84 MB/s
Read 78.9
Write 80
Mixed 59.7
SusWrite 84.4
56% 75.8 MB/s
4K Read 0.5
4K Write 1.7
4K Mixed 0.6
119% 0.93 MB/s
316GB free
Firmware: 01.00A01
SusWrite @10s intervals: 50 51 50 50 50 51 MB/s
Read 93.3
Write 78
Mixed 58.5
SusWrite 50.3
52% 70 MB/s
4K Read 0.6
4K Write 1.7
4K Mixed 0.7
134% 1 MB/s
316GB free
Firmware: 01.00A01
SusWrite @10s intervals: 30 31 31 31 31 32 MB/s
Read 99
Write 92.7
Mixed 62.8
SusWrite 30.9
53% 71.3 MB/s
4K Read 0.6
4K Write 1.8
4K Mixed 0.6
125% 1 MB/s
805 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 22,990,961 HDDs tested.

Typical WD6400AADS-00M2B0 640GB Builds (Compare 35,437 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 75%
Battleship
Desktop
Desktop 79%
Battleship
Workstation
Workstation 56%
Gunboat

Motherboard: Asus Z170 PRO GAMING - $228

EDIT WITH CUSTOM PC BUILDER Value: 64% - Good Total price: $1,011

Popular WD6400AADS-00M2B0 640GB compatible motherboards:

How Fast Is Your HDD? (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

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.
Hard Drive Rankings (Price vs Performance) January 2020 HDD Rankings.

We calculate effective speed which measures performance for typical consumers. Effective speed is adjusted by current cost per GB to yield value for money. 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 HDDs. [HDrivePro]

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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

1015 Drives (Compared) Thousands of user benchmarks compiled into one comparison list.

See how consistently different HDDs perform with varying real world conditions. The charts also illustrate overall performance, popularity and rank.

 Frequently Asked Questions

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Intel Core i7-9700K $324Nvidia RTX 2060 $349Samsung 850 Pro 512GB $249
HDDRAMUSB
Seagate Barracuda 1TB (2016) $37Corsair Vengeance LPX DDR4 3200 C16 2x8GB $73SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $40Corsair Vengeance LPX DDR4 3000 C15 2x8GB $63SanDisk Extreme 32GB $46
Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $653SanDisk Ultra Fit 32GB $16
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