TEST
YOUR USB

HGST (ExtHD)

HDS 724040ALE640 4TB

▲ 500 ▼

Release date ≈ Q1 2016.

Average Bench: 39.7% (42nd of 639)

Based on 9 user benchmarks.  Device: VID 067b PID 2773 Model: HGST HDS 724040ALE640
Poor: 17%Average: 39.7% Great: 59%

Poor average bench

The HGST HDS 724040ALE640 4TB averaged 60.3% 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 Write Speed 2.11MB/s
Avg. Sequential Write Speed 97.2MB/s

Average consistency

The range of scores (95th - 5th percentile) for the HGST HDS 724040ALE640 4TB is 42.8%. This is a relatively wide range which indicates that the HGST HDS 724040ALE640 4TB performs inconsistently under varying real world conditions.

Weaknesses

Avg. 4K Random Read Speed 0.9MB/s
Avg. 4K Random Mixed IO Speed 0.52MB/s
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Average Bench

(Based on 9 samples)
Rank 4239.7%
Min Avg Max
27.4 Read 101 158
25.4 Write 97.2 160
5.83 Mixed 37.6 89
45.3 SusWrite 89.9 131
107% 81.4 MB/s
Min Avg Max
0.52 4K Read 0.9 1.1
1.73 4K Write 2.11 2.3
0.16 4K Mixed 0.52 0.8
92.9% 1.18 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest USB (mainstream) averages a speed of 100%
771GB free, PID 2773
Operating at USB 3.0 Speed
SusWrite @10s intervals: 129 129 135 128 134 132 MB/s
56% Above average
Read 139
Write 142
Mixed 28.2
SusWrite 131
144% 110 MB/s
4K Read 0.9
4K Write 2.3
4K Mixed 0.8
109% 1.33 MB/s
1TB free, PID 2773
Operating at USB 3.0 Speed
SusWrite @10s intervals: 114 117 117 117 117 118 MB/s
49.4% Average
Read 119
Write 103
Mixed 21.7
SusWrite 117
117% 90.1 MB/s
4K Read 1
4K Write 2.1
4K Mixed 0.8
102% 1.3 MB/s
3.5TB free, PID 2773
Operating at USB 3.0 Speed
SusWrite @10s intervals: 75 74 75 75 75 75 MB/s
45.9% Average
Read 158
Write 160
Mixed 39.8
SusWrite 74.9
136% 108 MB/s
4K Read 1.1
4K Write 2.1
4K Mixed 0.8
103% 1.33 MB/s
1.5TB free, PID 2773
Operating at USB 3.0 Speed
SusWrite @10s intervals: 82 80 84 82 80 83 MB/s
42.2% Average
Read 122
Write 118
Mixed 21.7
SusWrite 81.7
109% 86 MB/s
4K Read 0.9
4K Write 2.1
4K Mixed 0.7
99% 1.23 MB/s
1.5TB free, PID 2773
Operating at USB 2.1 Speed
SusWrite @10s intervals: 46 46 45 45 46 46 MB/s
23.4% Poor
Read 44.8
Write 45.3
Mixed 41.5
SusWrite 45.5
61% 44.3 MB/s
4K Read 1
4K Write 2.2
4K Mixed 0.8
106% 1.33 MB/s
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  • Best user rated - User sentiment trumps benchmarks for this comparison.
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  • Fastest real world speed - Real World Speed measures performance for typical consumers.

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