TEST
YOUR USB

Hitachi (ExtHD)

HDS72101 1TB

▲ 500 ▼

Release date ≈ Q2 2018.

Average Bench: 47% (26th of 639)

Based on 7 user benchmarks.  Device: VID 2537 PID 1066 Model: Hitachi HDS72101
Poor: 29%Average: 47% Great: 67%

Below average average bench

The Hitachi HDS72101 1TB averaged 52.9% 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.

Strengths

Avg. Sustained Write Speed 119MB/s
Avg. Sequential Write Speed 112MB/s

Above average consistency

The range of scores (95th - 5th percentile) for the Hitachi HDS72101 1TB is 37.3%. This is a relatively wide range which indicates that the Hitachi HDS72101 1TB performs inconsistently under varying real world conditions.

Weaknesses

Avg. 4K Random Read Speed 0.76MB/s
Avg. Sequential Read Speed 112MB/s
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Average Bench

(Based on 7 samples)
Rank 2647%
Min Avg Max
69.9 Read 112 143
65.6 Write 112 151
38.7 Mixed 53.3 77.3
63.5 SusWrite 119 179
133% 99.1 MB/s
Min Avg Max
0.7 4K Read 0.76 0.8
1.2 4K Write 1.51 2.2
0.6 4K Mixed 0.77 0.9
80.5% 1.01 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest USB (mainstream) averages a speed of 100%
797GB free, PID 1066
Operating at USB 3.0 Speed
SusWrite @10s intervals: 156 184 184 184 183 184 MB/s
66.7% Good
Read 143
Write 151
Mixed 38.9
SusWrite 179
172% 128 MB/s
4K Read 0.8
4K Write 2.2
4K Mixed 0.7
102% 1.23 MB/s
892GB free, PID 1066
Operating at USB 3.0 Speed
SusWrite @10s intervals: 133 132 135 135 137 136 MB/s
53.3% Above average
Read 134
Write 137
Mixed 77.3
SusWrite 134
163% 121 MB/s
4K Read 0.8
4K Write 1.4
4K Mixed 0.8
78% 1 MB/s
931GB free, PID 1066
SusWrite @10s intervals: 132 135 135 132 136 136 MB/s
52.7% Above average
Read 131
Write 128
Mixed 62.5
SusWrite 134
152% 114 MB/s
4K Read 0.8
4K Write 1.4
4K Mixed 0.9
81% 1.03 MB/s
273GB free, PID 1066
SusWrite @10s intervals: 111 116 116 113 109 123 MB/s
47.2% Average
Read 124
Write 109
Mixed 57.4
SusWrite 115
134% 101 MB/s
4K Read 0.7
4K Write 1.3
4K Mixed 0.6
67% 0.87 MB/s
558GB free, PID 1066
Operating at USB 3.0 Speed
SusWrite @10s intervals: 124 126 125 124 125 127 MB/s
44.8% Average
Read 94.5
Write 98.5
Mixed 41.7
SusWrite 125
122% 89.9 MB/s
4K Read 0.7
4K Write 1.2
4K Mixed 0.8
71% 0.9 MB/s
28GB free, PID 1066
Operating at USB 3.0 Speed
SusWrite @10s intervals: 91 80 78 80 86 85 MB/s
35.1% Below average
Read 86.1
Write 95.8
Mixed 56.8
SusWrite 83.2
109% 80.5 MB/s
4K Read 0.7
4K Write 1.4
4K Mixed 0.8
77% 0.97 MB/s
440GB free, PID 1066
Operating at USB 3.0 Speed
SusWrite @10s intervals: 60 66 63 63 64 65 MB/s
29.4% Poor
Read 69.9
Write 65.6
Mixed 38.7
SusWrite 63.5
79% 59.4 MB/s
4K Read 0.8
4K Write 1.7
4K Mixed 0.8
88% 1.1 MB/s
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  • Fastest real world speed - Real World Speed measures performance for typical consumers.

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