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Amd-raid

WDC WD6400AAKS-6 640GB

▲ 500 ▼

Release date ≈ Q1 2018.

Average Bench: 44.1% (426th of 1015)

Based on 11 user benchmarks.  Model: AMD-RAID WDC WD6400AAKS-6
Poor: 31%Average: 44.1% Great: 60%

Popular builds with this HDD

Below average average bench

The Amd-raid WDC WD6400AAKS-6 640GB averaged 55.8% 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 0.86MB/s
Avg. 4K Random Write Speed 2.07MB/s

Good consistency

The range of scores (95th - 5th percentile) for the Amd-raid WDC WD6400AAKS-6 640GB is 28.5%. This is a relatively narrow range which indicates that the Amd-raid WDC WD6400AAKS-6 640GB performs reasonably consistently under varying real world conditions.

Weaknesses

Avg. Sequential Mixed IO Speed 52.1MB/s
Avg. Sustained Write Speed 71.4MB/s
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Average Bench

(Based on 11 samples)
Rank 42644.1%
Min Avg Max
41 Read 84.2 104
52.9 Write 77.8 103
42.5 Mixed 52.1 74.6
27.4 SusWrite 71.4 106
52.6% 71.4 MB/s
Min Avg Max
0.49 4K Read 0.73 0.9
1.79 4K Write 2.07 2.5
0.32 4K Mixed 0.86 1.1
165% 1.22 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest HDD (mainstream) averages a speed of 100%
468GB free
Firmware: 01.0
SusWrite @10s intervals: 102 106 103 105 107 106 MB/s
59.7% Above average
Read 103
Write 95.9
Mixed 51.9
SusWrite 105
65% 88.9 MB/s
4K Read 0.8
4K Write 2.1
4K Mixed 0.9
172% 1.27 MB/s
296GB free
Firmware: 01.0
SusWrite @10s intervals: 88 90 93 90 91 90 MB/s
51.5% Above average
Read 88.9
Write 81.9
Mixed 48.2
SusWrite 90.3
57% 77.3 MB/s
4K Read 0.7
4K Write 2.1
4K Mixed 1
179% 1.27 MB/s
578GB free
Firmware: 01.0
SusWrite @10s intervals: 82 82 84 81 86 83 MB/s
50% Above average
Read 91.2
Write 89.3
Mixed 46.5
SusWrite 83
57% 77.5 MB/s
4K Read 0.6
4K Write 1.8
4K Mixed 0.7
136% 1.03 MB/s
88GB free
Firmware: 01.0
SusWrite @10s intervals: 61 49 64 55 64 62 MB/s
40.2% Average
Read 80.5
Write 88.9
Mixed 49.3
SusWrite 59.1
51% 69.4 MB/s
4K Read 0.9
4K Write 1.9
4K Mixed 1
184% 1.27 MB/s
125GB free
Firmware: 01.0
SusWrite @10s intervals: 56 49 58 53 57 59 MB/s
37.8% Below average
Read 75.7
Write 76.1
Mixed 46.7
SusWrite 55.4
47% 63.5 MB/s
4K Read 0.8
4K Write 2.1
4K Mixed 1
183% 1.3 MB/s
11 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 53,337,643 HDDs 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 WDC WD6400AAKS-6 640GB Builds (Compare 5,204 builds) See popular component choices, score breakdowns and rankings
Gaming
Gaming 65%
Battle cruiser
Desktop
Desktop 91%
Nuclear submarine
Workstation
Workstation 62%
Destroyer

Motherboard: MSI B450M MORTAR MAX (MS-7B89)

CPU
Ryzen 5 3600AMD  $83Bench 83%, 1,072,639 samples1,683x
Ryzen 5 2600AMD  $155Bench 73%, 179,588 samples427x
Ryzen 7 3700XAMD  $205Bench 86%, 635,419 samples377x
GPU
GTX 1660S (Super)Nvidia  $240Bench 71%, 428,800 samples323x
RTX 2060Nvidia  $324Bench 90%, 645,160 samples275x
RTX 3060Nvidia  $250Bench 100%, 447,556 samples236x
SSD
970 Evo Plus NVMe PCIe M.2 500GBSamsung  $43Bench 276%, 367,854 samples100x
A400 240GBKingston  $28Bench 66%, 424,288 samples99x
860 Evo 500GBSamsung  $80Bench 105%, 762,998 samples96x
RAM
Vengeance LPX DDR4 3200 C16 2x8GBCorsair  $45Bench 85%, 653,654 samples324x
HyperX DDR4 3200 C16 2x8GBKingstonBench 86%, 239,203 samples223x
TEAMGROUP-UD4-3200 2x8GBUnknownBench 85%, 99,207 samples176x
EDIT WITH CUSTOM PC BUILDER Value: 93% - Outstanding Total price: $411

Popular WDC WD6400AAKS-6 640GB compatible motherboards:

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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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 Best User Rated
The Best.
CPUGPUSSD
Intel Core i5-13600K $269Nvidia RTX 4060 $295Crucial 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 $45SanDisk 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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