Average Bench: 73.5% (100th of 984)

Based on 998 user benchmarks.  Models: HGST HDS724040ALE640, Hitachi HDS724040ALE640, HGST HDS 724040ALE640, HGST HDS724040ALE640

Good average bench

The Hitachi HDS724040ALE640 4TB averaged 26.5% 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.


Avg. 4K Random Read Speed 0.83MB/s
Avg. 4K Random Write Speed 1.75MB/s

Average consistency

The range of scores (95th - 5th percentile) for the Hitachi HDS724040ALE640 4TB is 43%. This is a relatively wide range which indicates that the Hitachi HDS724040ALE640 4TB performs inconsistently under varying real world conditions.


Avg. 4K Random Mixed IO Speed 0.21MB/s
Avg. Sequential Write Speed 125MB/s

Average Bench

(Based on 998 samples)
Min Avg Max
86 Read 131 170
83.9 Write 125 161
13.7 Mixed 113 159
92.3% 123 MB/s
Min Avg Max
0.42 4K Read 0.83 1.15
0.62 4K Write 1.75 2.22
0.16 4K Mixed 0.21 0.24
90.7% 0.93 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest HDD (mainstream) averages a speed of 100%
2.5TB free
Firmware: MJAO Max speed: SATA 3.0 600 MB/s
Read 131
Write 121
Mixed 124
94% 125 MB/s
4K Read 0.89
4K Write 1.92
4K Mixed 0.22
97% 1.01 MB/s
2.5TB free
Firmware: MJAOA250 Max speed: SATA 3.0 600 MB/s
Read 105
Write 134
Mixed 68
76% 102 MB/s
4K Read 0.83
4K Write 1.69
4K Mixed 0.23
92% 0.92 MB/s
2TB free
Firmware: MJAOA3B0 Max speed: SATA 3.0 600 MB/s
Read 107
Write 124
Mixed 149
96% 127 MB/s
4K Read 0.55
4K Write 1.45
4K Mixed 0.16
67% 0.72 MB/s
2.5TB free
Firmware: MJAOA3B0 Max speed: SATA 3.0 600 MB/s
Read 119
Write 108
Mixed 128
90% 118 MB/s
4K Read 0.8
4K Write 1.65
4K Mixed 0.2
87% 0.89 MB/s
1.5TB free
Firmware: MJAOA3B0 Max speed: SATA 3.0 600 MB/s
Read 90.5
Write 87.3
Mixed 104
71% 94 MB/s
4K Read 0.38
4K Write 1.88
4K Mixed 0.23
77% 0.83 MB/s
998 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 5,353,092 HDDs tested.


AmazonUS $165.004 mins ago.
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Typical HDS724040ALE640 4TB Builds (Compare 485 builds) See popular component choices, score breakdowns and rankings.
Gaming 15%
Desktop 66%
Battle cruiser
Workstation 47%

Motherboard: Gigabyte GA-Z87X-UD5H-CF

EDIT WITH CUSTOM PC BUILDER Value: 66% - Good Total price: $585

Popular HDS724040ALE640 4TB 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

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  • - GPU tests include: six 3D game simulations.
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Hard Drive Rankings (Price vs Performance) September 2017 HDD Rankings.

Welcome to our consumer Hard Drive comparison. We calculate effective speed which measures performance for typical consumers. Effective speed is adjusted by cost per GB to yield value for money. Calculated values don't always tell the whole picture so we check them against thousands of individual user ratings. The customizable table below combines these factors and more to bring you the definitive list of top HDDs. Share your opinion by voting. [HDrivePro]


984 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

 Best User Rated

The Best.
Intel Core i7-7700K $325Nvidia GTX 1070 $410Samsung 850 Evo 250GB $88
AMD Ryzen 7 1700 $295AMD RX 480 $350Samsung 850 Pro 256GB $119
Intel Core i5-7600K $210Nvidia GTX 1060-6GB $265Samsung 850 Evo 500GB $150
Seagate Barracuda 1TB (2016) $45G.SKILL Trident Z DDR4 3200 C14 4x16GB $711SanDisk Extreme 64GB $33
Seagate Barracuda 3TB (2016) $70Corsair Vengeance LPX DDR4 3000 C15 2x8GB $152SanDisk Extreme 32GB $22
Seagate Barracuda 7200.14 1TB $57HyperX Fury DDR4 2133 C14 2x8GB $144SanDisk Extreme 16GB $20
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