TEST
YOUR USB

Hitachi (ExtHD)

HDS72302 2TB

▲ 500 ▼

Release date ≈ Q2 2017.

Average Bench: 46.1% (27th of 639)

Based on 6 user benchmarks.  Device: VID 2537 PID 1066 Model: Hitachi HDS72302
Poor: 19%Average: 46.1% Great: 72%

Below average average bench

The Hitachi HDS72302 2TB averaged 53.8% 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 126MB/s
Avg. 4K Random Write Speed 1.79MB/s

Below average consistency

The range of scores (95th - 5th percentile) for the Hitachi HDS72302 2TB is 53.8%. This is a relatively wide range which indicates that the Hitachi HDS72302 2TB performs inconsistently under varying real world conditions.

Weaknesses

Avg. 4K Random Read Speed 1.01MB/s
Avg. Sequential Mixed IO Speed 36.7MB/s
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Average Bench

(Based on 6 samples)
Rank 2746.1%
Min Avg Max
35.8 Read 112 179
33.9 Write 107 169
30.9 Mixed 36.7 50.5
39.4 SusWrite 126 185
127% 95.5 MB/s
Min Avg Max
0.8 4K Read 1.01 1.1
1.5 4K Write 1.79 2
0.44 4K Mixed 0.62 0.8
85.7% 1.14 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest USB (mainstream) averages a speed of 100%
998GB free, PID 1066
Operating at USB 3.0 Speed
SusWrite @10s intervals: 186 184 185 184 185 185 MB/s
72.3% Very good
Read 176
Write 169
Mixed 30.9
SusWrite 185
184% 140 MB/s
4K Read 1.1
4K Write 2
4K Mixed 0.5
89% 1.2 MB/s
1TB free, PID 1066
Operating at USB 3.0 Speed
SusWrite @10s intervals: 166 165 167 165 161 165 MB/s
68% Good
Read 179
Write 155
Mixed 31
SusWrite 165
171% 132 MB/s
4K Read 1.1
4K Write 1.9
4K Mixed 0.5
86% 1.17 MB/s
1TB free, PID 1066
Operating at USB 3.0 Speed
SusWrite @10s intervals: 155 159 160 160 160 159 MB/s
63.2% Good
Read 159
Write 153
Mixed 40
SusWrite 159
168% 128 MB/s
4K Read 1
4K Write 1.7
4K Mixed 0.8
89% 1.17 MB/s
620GB free, PID 1066
Operating at USB 3.0 Speed
SusWrite @10s intervals: 79 81 80 81 81 80 MB/s
36.1% Below average
Read 87
Write 99
Mixed 50.5
SusWrite 80.3
107% 79.2 MB/s
4K Read 0.8
4K Write 1.9
4K Mixed 0.8
95% 1.17 MB/s
271GB free, PID 1066
Operating at USB 2.1 Speed
SusWrite @10s intervals: 39 40 40 39 40 40 MB/s
18.7% Very poor
Read 36
Write 33.9
Mixed 32
SusWrite 39.4
48% 35.3 MB/s
4K Read 1
4K Write 1.5
4K Mixed 0.7
78% 1.07 MB/s
1.5TB free, PID 1066
Operating at USB 2.1 Speed
18.5% Very poor
Read 35.8
Write 35.8
Mixed 35.5
46% 35.7 MB/s
4K Read 1.07
4K Write 1.72
4K Mixed 0.44
77% 1.07 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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