Average Bench: 74.1% (97th of 984)

Based on 1,333 user benchmarks.  Models: HGST HDS724040ALE640, Hitachi HDS724040ALE640, HGST HDS 724040ALE640, HGST HDS724040ALE640

Good average bench

The Hitachi HDS724040ALE640 4TB averaged 25.9% 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 45.4%. 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 126MB/s

Average Bench

(Based on 1,333 samples)
Min Avg Max
85.8 Read 132 170
83 Write 126 162
16.6 Mixed 114 158
93.1% 124 MB/s
Min Avg Max
0.41 4K Read 0.83 1.15
0.61 4K Write 1.75 2.22
0.16 4K Mixed 0.21 0.24
90.5% 0.93 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest HDD (mainstream) averages a speed of 100%
501GB free
Firmware: MJAOA580 Max speed: SATA 3.0 600 MB/s
Read 96.8
Write 96.9
Mixed 91.4
72% 95.1 MB/s
4K Read 0.98
4K Write 1.88
4K Mixed 0.22
100% 1.03 MB/s
337GB free
Firmware: MJAOA3B0 Max speed: SATA 3.0 600 MB/s
Read 75.9
Write 82.5
Mixed 92.7
64% 83.7 MB/s
4K Read 0.31
4K Write 1.13
4K Mixed 0.17
53% 0.54 MB/s
1,333 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 6,195,589 HDDs tested.


AmazonUS $255.0114 mins ago.
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Typical HDS724040ALE640 4TB Builds (Compare 380 builds) See popular component choices, score breakdowns and rankings.
Gaming 90%
Aircraft carrier
Desktop 71%
Workstation 55%

Motherboard: Gigabyte GA-Z87X-UD5H-CF

EDIT WITH CUSTOM PC BUILDER Value: 80% - Excellent Total price: $1,140

Popular HDS724040ALE640 4TB compatible motherboards:

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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]


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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 $288Nvidia GTX 1070 $410Samsung 850 Evo 250GB $90
AMD Ryzen 7 1700 $270AMD RX 480 $240Samsung 850 Pro 256GB $110
Intel Core i5-7600K $200Nvidia GTX 1060-6GB $260Samsung 850 Evo 500GB $148
Seagate Barracuda 1TB (2016) $45Corsair Vengeance LPX DDR4 3000 C15 2x8GB $189SanDisk Extreme 64GB $33
Seagate Barracuda 3TB (2016) $75G.SKILL Trident Z DDR4 3200 C14 4x16GB $1,050SanDisk Extreme 32GB $22
Seagate Barracuda 7200.14 1TB $55Corsair Vengeance LPX DDR4 3200 C16 2x8GB $195SanDisk Ultra Fit 32GB $12
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