TEST
YOUR USB

Hitachi (ExtHD)

HDS722020ALA330 2TB

▲ 500 ▼

Release date ≈ Q4 2017.

Average Bench: 35.6% (57th of 639)

Based on 5 user benchmarks.  Device: VID 1f75 PID 0611 Model: Hitachi HDS722020ALA330
Poor: 19%Average: 35.6% Great: 46%

Poor average bench

The Hitachi HDS722020ALA330 2TB averaged 64.4% 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. Sequential Write Speed 87.1MB/s
Avg. Sustained Write Speed 84.9MB/s

Unknown consistency

There are too few samples to reasonably determine how consistently this USB perfroms. This result should be interpreted with caution.

Weaknesses

Avg. 4K Random Read Speed 0.7MB/s
Avg. Sequential Read Speed 81.5MB/s
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Average Bench

(Based on 5 samples)
Rank 5735.6%
Min Avg Max
46.8 Read 81.5 115
49.5 Write 87.1 115
37.2 Mixed 58.2 112
38.4 SusWrite 84.9 118
106% 77.9 MB/s
Min Avg Max
0.6 4K Read 0.7 0.8
1.06 4K Write 1.25 1.5
0.4 4K Mixed 0.67 0.9
67.8% 0.87 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest USB (mainstream) averages a speed of 100%
1TB free, PID 0611
Operating at USB 3.0 Speed
SusWrite @10s intervals: 116 119 118 117 118 119 MB/s
45.6% Average
Read 104
Write 115
Mixed 60.5
SusWrite 118
135% 99.3 MB/s
4K Read 0.8
4K Write 1.5
4K Mixed 0.9
85% 1.07 MB/s
2TB free, PID 0611
Operating at USB 3.0 Speed
44.9% Average
Read 115
Write 114
Mixed 112
146% 114 MB/s
4K Read 0.72
4K Write 1.06
4K Mixed 0.43
53% 0.74 MB/s
268GB free, PID 0611
Operating at USB 3.0 Speed
SusWrite @10s intervals: 107 108 107 107 107 108 MB/s
36.8% Below average
Read 65.9
Write 74.5
Mixed 37.7
SusWrite 107
99% 71.3 MB/s
4K Read 0.6
4K Write 1.2
4K Mixed 0.8
70% 0.87 MB/s
367GB free, PID 0611
Operating at USB 3.0 Speed
SusWrite @10s intervals: 76 77 76 76 77 76 MB/s
31.4% Below average
Read 75.2
Write 83.3
Mixed 43.4
SusWrite 76.2
94% 69.5 MB/s
4K Read 0.8
4K Write 1.2
4K Mixed 0.8
71% 0.93 MB/s
195GB free, PID 0611
Operating at USB 3.0 Speed
SusWrite @10s intervals: 51 37 36 36 32 38 MB/s
19.3% Very poor
Read 46.8
Write 49.5
Mixed 37.2
SusWrite 38.4
58% 43 MB/s
4K Read 0.6
4K Write 1.3
4K Mixed 0.4
60% 0.77 MB/s
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  • Fastest real world speed - Real World Speed measures performance for typical consumers.

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