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WD WD4000AAJS

Blue 400GB (2007)

▲ 500 ▼

Release date ≤ Q4 2013.

Average Bench: 33.3% (641st of 1015)

more Based on 1,778 user benchmarks.  Models: WDC WD4000AAJS-00YFA0, WDC WD4000AAJS-00TKA, WDC WD4000AAJS-00A8B0, WDC WD40 00AAJS-00YFA0, WDC WD4000AAJS-65TKA0, WDC WD40 00AAJS-65TKA, WDC WD4000AAJS-65TKA, WDC WD4000AAJS-2, WDC WD4000AAJS-65YFA0, WDC WD4000AAJS-00TKA0, WDC WD40 00AAJS-65YFA0, WDC WD4000AAJS-6, WDC WD4000AAJS-22YFA0, WDC WD40 00AAJS-22TKA, WDC WD4000AAJS-65YFA, WDC WD40 00AAJS-00YFA, WDC WD4000AAJS-32YFA0, WDC WD4000AAJS-00YFA, WDC WD4000AAJS-22TKA, WDC WD40 00AAJS-65TKA0, WDC WD40 00AAJS-65YFA, WDC WD40 00AAJS-22TKA0, WDC WD4000AAJS-32TKA0, WDC WD40 00AAJS-00TKA0, WDC WD40 00AAJS-32YFA0, WDC WD40 00AAJS-32YFA, WDC WD40 00AAJS-22YFA0, WDC WD4000AAJS-0, WDC WD40 00AAJS-00TKA, WDC WD4000AAJS-22TKA0, WDC WD4000AAJS-22YFA, WDC WD40 00AAJS-22YFA
Poor: 20%Average: 33.3% Great: 43%

Popular builds with this HDD

Poor average bench

The WD Blue 400GB (2007) averaged 66.7% 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 0.83MB/s
Avg. 4K Random Write Speed 2.05MB/s

Good consistency

The range of scores (95th - 5th percentile) for the WD Blue 400GB (2007) is 22.6%. This is a relatively narrow range which indicates that the WD Blue 400GB (2007) performs reasonably consistently under varying real world conditions.

Weaknesses

Avg. Sequential Mixed IO Speed 42.7MB/s
Avg. Sustained Write Speed 56.1MB/s
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Average Bench

(Based on 1,778 samples)
Rank 64133.3%
Min Avg Max
34.6 Read 59.4 76.1
25 Write 57.3 75
24.8 Mixed 42.7 52.5
24.7 SusWrite 56.1 75.3
39.7% 53.8 MB/s
Min Avg Max
0.3 4K Read 0.58 0.7
0.8 4K Write 2.05 2.5
0.4 4K Mixed 0.83 1
154% 1.15 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest HDD (mainstream) averages a speed of 100%
373GB free
Firmware: 12.01C01
SusWrite @10s intervals: 75 77 77 76 77 78 MB/s
44.2% Average
Read 76.8
Write 78.2
Mixed 52
SusWrite 76.8
52% 70.9 MB/s
4K Read 0.6
4K Write 2.5
4K Mixed 0.9
171% 1.33 MB/s
372GB free
Firmware: 12.01C01
SusWrite @10s intervals: 72 72 73 73 73 74 MB/s
41.6% Average
Read 71.7
Write 67.5
Mixed 51
SusWrite 72.8
48% 65.8 MB/s
4K Read 0.6
4K Write 2.5
4K Mixed 0.8
160% 1.3 MB/s
360GB free
Firmware: 12.01C02
SusWrite @10s intervals: 72 72 73 73 74 73 MB/s
41.1% Average
Read 69.9
Write 66.7
Mixed 47.4
SusWrite 72.8
47% 64.2 MB/s
4K Read 0.6
4K Write 2.2
4K Mixed 0.8
155% 1.2 MB/s
93GB free
Firmware: 12.01C02
SusWrite @10s intervals: 64 62 66 70 69 69 MB/s
39.5% Below average
Read 70.5
Write 71
Mixed 50.2
SusWrite 66.5
48% 64.6 MB/s
4K Read 0.6
4K Write 2.3
4K Mixed 0.9
168% 1.27 MB/s
314GB free
Firmware: 12.01C02
SusWrite @10s intervals: 70 70 71 71 70 70 MB/s
35.7% Below average
Read 53.9
Write 53.6
Mixed 41.7
SusWrite 70.2
40% 54.8 MB/s
4K Read 0.6
4K Write 2
4K Mixed 0.8
151% 1.13 MB/s
48GB free
Firmware: 12.01C02
SusWrite @10s intervals: 50 50 51 50 51 50 MB/s
32.2% Below average
Read 61.3
Write 55.9
Mixed 45.4
SusWrite 50.3
39% 53.2 MB/s
4K Read 0.6
4K Write 2.3
4K Mixed 0.9
168% 1.27 MB/s
121GB free
Firmware: 12.01C01
SusWrite @10s intervals: 51 37 52 70 53 53 MB/s
31.7% Below average
Read 57.3
Write 47
Mixed 44.2
SusWrite 52.6
37% 50.3 MB/s
4K Read 0.6
4K Write 2.1
4K Mixed 0.9
164% 1.2 MB/s
129GB free
Firmware: 12.01C01
SusWrite @10s intervals: 44 45 44 45 45 45 MB/s
29.7% Poor
Read 58.1
Write 57.3
Mixed 44
SusWrite 44.7
38% 51 MB/s
4K Read 0.6
4K Write 2.4
4K Mixed 1
180% 1.33 MB/s
1,778 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 53,325,714 HDDs tested

 Prices

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AmazonUS $427 years
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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 400GB (2007) Builds (Compare 2,179 builds) See popular component choices, score breakdowns and rankings
Gaming
Gaming 41%
Speed boat
Desktop
Desktop 77%
Battleship
Workstation
Workstation 32%
Sail boat

Motherboard: Asus P8Z77-V LK - $140

CPU
Core i5-3570KIntel  $136Bench 68%, 185,516 samples688x
Core i7-3770KIntel  $175Bench 72%, 165,979 samples565x
Core i7-3770Intel  $297Bench 69%, 278,207 samples354x
GPU
GTX 1060-6GBNvidia  $117Bench 56%, 1,368,019 samples143x
GTX 970Nvidia  $200Bench 49%, 834,238 samples127x
HD 4000 (Desktop 1.15 GHz)Intel  $15Bench 3%, 52,547 samples114x
SSD
860 Evo 500GBSamsung  $80Bench 105%, 762,998 samples78x
860 Evo 1TBSamsung  $130Bench 112%, 602,853 samples69x
850 Evo 250GBSamsung  $100Bench 103%, 951,591 samples63x
RAM
Vengeance DDR3 1600 C10 2x8GBCorsairBench 54%, 43,127 samples55x
HyperX DDR3 1600 C9 4x4GBKingstonBench 56%, 28,461 samples47x
Vengeance DDR3 1600 C9 2x4GBCorsairBench 48%, 73,650 samples43x
EDIT WITH CUSTOM PC BUILDER Value: 80% - Excellent Total price: $472

Popular Blue 400GB (2007) compatible motherboards:

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Hard Drive Rankings (Price vs Performance) April 2024 HDD Rankings

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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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 Frequently Asked Questions

Storage Devices FAQ
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 Best User Rated
The Best.
CPUGPUSSD
Intel Core i5-13600K $273Nvidia 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 $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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