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WD WD6400AAKS

Blue 640GB (2008)

Average Bench: 49.6% (307th of 1015)

more Based on 94,563 user benchmarks.  Models: WDC WD6400AAKS-22A7B2, WDC WD64 00AAKS-41H2B0, WDC WD6400AAKS-75A7B2, WDC WD6400AAKS-32A7B0, WDC WD6400AAKS-75A7B0, WDC WD6400AAKS-0, WDC WD6400AAKS-65A7B3, WDC WD6400AAKS-65A7B2, WDC WD6400AAKS-2, WDC WD6400AAKS-3, WDC WD6400AAKS-65A7B0, WDC WD6400AAKS-00Z7B0, WDC WD6400AAKS-4, WDC WD64 00AAKS-55A7B2, WDC WD6400AAKS-5, WDC WD6400AAKS-6, WDC WD6400AAKS-7, WDC WD64 00AAKS-00A7B0, WDC WD6400AAKS-22A7B0, WDC WD64 00AAKS-22A7B, WDC WD64 00AAKS-00A7B2, WDC WD6400AAKS-65Z7B, WDC WD6400AAKS-00E4A0, WDC WD64 00AAKS-41H2B, WDC WD64 00AAKS-00E4A0, WDC WD64 00AAKS-65Z7B0, WDC WD64 00AAKS-40H2B0, WDC WD6400AAKS-00A7B, WDC WD6400AAKS-08A7B, WDC WD64 00AAKS-32A7B0, WDC WD6400AAKS-40H2B0, WDC WD64 00AAKS-00Z7B, WDC WD64 00AAKS-75A7B2, WDC WD6400AAKS-65A7B, WDC WD64 00AAKS-75A7B0, WDC WD64 00AAKS-0, WDC WD64 00AAKS-00A7B, WDC WD6400AAKS-65Z7B0, WDC WD64 00AAKS-07A7B0, WDC WD64 00AAKS-75A7B, WDC WD6400AAKS-41H2B0, WDC WD64 00AAKS-07A7B2, WDC WD64 00AAKS-40H2B, WDC WD6400AAKS-229BA1, WDC WD6400AAKS-00A7B0, WDC WD64 00AAKS-08A7B0, WDC WD6400AAKS-40H2B, WDC WD6400AAKS-00A7B2, WDC WD64 00AAKS-22A7B0, WDC WD64 00AAKS-08A7B, WDC WD6400AAKS-55A7B, WDC WD64 00AAKS-65A7B2, WDC WD64 00AAKS-65A7B0, WDC WD64 00AAKS-65A7B, WDC WD6400AAKS-07A7B, WDC WD6400AAKS-22A7B, WDC WD64 00AAKS-08A7B2, WDC WD64 00AAKS-65Z7B, WDC WD6400AAKS-55A7B2, WDC WD6400AAKS-55A7B0, WDC WD6400AAKS-00E4A, WDC WD6400AAKS-08A7B0, WDC WD6400AAKS-08A7B2, WDC WD64 00AAKS-00H2B, WDC WD64 00AAKS-55A7B0, WDC WD64 00AAKS-22A7B2, WDC WD64 00AAKS-00E4A, WDC WD6400AAKS-00H2B, WDC WD6400AAKS-00H2B1, WDC WD6400AAKS-00H2B0, WDC WD64 00AAKS-55A7B, WDC WD64 00AAKS-07A7B, WDC WD6400AAKS-75A7B, WDC WD64 00AAKS-00Z7B0, WDC WD6400AAKS-41H2B, WDC WD64 00AAKS-00H2B1, WDC WD6400AAKS-07A7B2, WDC WD64 00AAKS-00H2B0, WDC WD6400AAKS-07A7B0
Poor: 31%Average: 49.6% Great: 62%

Popular builds with this HDD

Below average average bench

The WD Blue 640GB (2008) averaged 50.3% 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 0.88MB/s
Avg. 4K Random Write Speed 2.02MB/s

Above average consistency

The range of scores (95th - 5th percentile) for the WD Blue 640GB (2008) is 31.6%. This is a relatively narrow range which indicates that the WD Blue 640GB (2008) performs reasonably consistently under varying real world conditions.

Weaknesses

Avg. Sequential Mixed IO Speed 60.4MB/s
Avg. Sustained Write Speed 84MB/s
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Average Bench

(Based on 94,563 samples)
Rank 30749.6%
Min Avg Max
56.9 Read 88.6 110
43.7 Write 86.8 110
40.5 Mixed 60.4 73
38.6 SusWrite 84 111
58.9% 80 MB/s
Min Avg Max
0.4 4K Read 0.67 0.8
0.9 4K Write 2.02 2.5
0.5 4K Mixed 0.88 1
163% 1.19 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest HDD (mainstream) averages a speed of 100%
340GB free
Firmware: 01.03B01
SusWrite @10s intervals: 90 94 93 93 93 93 MB/s
55.3% Above average
Read 99.7
Write 96.2
Mixed 64.3
SusWrite 92.7
65% 88.2 MB/s
4K Read 0.6
4K Write 2.1
4K Mixed 0.9
164% 1.2 MB/s
340GB free
Firmware: 01.03B01
SusWrite @10s intervals: 93 93 95 93 91 91 MB/s
54.2% Above average
Read 95.9
Write 97
Mixed 66
SusWrite 92.7
65% 87.9 MB/s
4K Read 0.8
4K Write 2.1
4K Mixed 1
183% 1.3 MB/s
475GB free
Firmware: 01.03B01
SusWrite @10s intervals: 78 79 79 79 81 79 MB/s
54.1% Above average
Read 109
Write 114
Mixed 67.8
SusWrite 79.3
68% 92.6 MB/s
4K Read 0.8
4K Write 2.3
4K Mixed 1
187% 1.37 MB/s
262GB free
Firmware: 01.03B01
SusWrite @10s intervals: 98 98 100 101 101 100 MB/s
53.5% Above average
Read 86.1
Write 85.1
Mixed 60.3
SusWrite 99.8
61% 82.8 MB/s
4K Read 0.8
4K Write 2.2
4K Mixed 1
185% 1.33 MB/s
543GB free
Firmware: 01.03B01
SusWrite @10s intervals: 99 99 98 100 100 99 MB/s
53.1% Above average
Read 85.7
Write 85.4
Mixed 58.6
SusWrite 98.9
60% 82.2 MB/s
4K Read 0.7
4K Write 2.3
4K Mixed 0.8
161% 1.27 MB/s
129GB free
Firmware: 01.03B01
SusWrite @10s intervals: 58 58 58 50 51 58 MB/s
46.1% Average
Read 105
Write 98.2
Mixed 63.3
SusWrite 55.4
59% 80.4 MB/s
4K Read 0.8
4K Write 2.4
4K Mixed 0.9
178% 1.37 MB/s
94,563 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 50,289,221 HDDs tested.

 Prices

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AmazonUS $335 mins
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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 Blue 640GB (2008) Builds (Compare 13,877 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 44%
Speed boat
Desktop
Desktop 79%
Battleship
Workstation
Workstation 40%
Speed boat

Motherboard: Gigabyte B450M DS3H - $96

CPU
Ryzen 5 2600AMD  $165Bench 73%, 446,215 samples3,097x
Ryzen 5 3600AMD  $89Bench 83%, 1,072,639 samples2,300x
Ryzen 5 2600XAMD  $140Bench 74%, 142,983 samples923x
GPU
RX 580AMD  $179Bench 52%, 360,351 samples1,120x
RX 570AMD  $170Bench 45%, 473,685 samples843x
GTX 1660S (Super)Nvidia  $210Bench 71%, 428,800 samples815x
SSD
A400 240GBKingston  $22Bench 66%, 424,288 samples592x
A400 480GBKingston  $26Bench 74%, 237,487 samples356x
860 Evo 500GBSamsung  $75Bench 105%, 762,998 samples307x
RAM
Vengeance LPX DDR4 3200 C16 2x8GBCorsair  $40Bench 85%, 653,654 samples790x
Vengeance LPX DDR4 3000 C15 2x8GBCorsair  $43Bench 82%, 606,405 samples522x
Ripjaws V DDR4 3200 C16 2x8GBG.SKILL  $41Bench 84%, 287,720 samples361x
EDIT WITH CUSTOM PC BUILDER Value: 83% - Excellent Total price: $502

Popular Blue 640GB (2008) 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.

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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.
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  • - SkillBench (space shooter) tests user input accuracy.
  • - Reports are generated and presented on userbenchmark.com.
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Hard Drive Rankings (Price vs Performance) June 2023 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

Added n/a ago.
USA-User
Avatar level
9,398

Excellent (edit your comment) Add link

3 years ago.

still works like a champ in 2019 almost 2020

Your
opinion?
▲Like ▼Dislike
Ready to retire
Age: 9 years

Speed Comparisons

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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

Storage Devices FAQ
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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?
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What is sequential read speed?
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What is 4K random write speed?
What is 4K random read speed?
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ALL FAQs »

 Best User Rated
The Best.
CPUGPUSSD
Intel Core i5-13600K $315Nvidia RTX 3060 $290Crucial MX500 250GB $30
Intel Core i5-12600K $225Nvidia RTX 3060-Ti $300Samsung 850 Evo 120GB $86
Intel Core i5-12400F $150Nvidia RTX 4070-Ti $800Samsung 860 Evo 250GB $52
HDDRAMUSB
Seagate Barracuda 1TB (2016) $35Corsair Vengeance LPX DDR4 3200 C16 2x8GB $40SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $30Corsair Vengeance LPX DDR4 3000 C15 2x8GB $43SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $67G.SKILL Trident Z DDR4 3200 C14 4x16GB $381SanDisk Ultra Fit 32GB $16
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