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Hitachi (ExtHD)

HUA722020ALA331 2TB

▲ 500 ▼

Release date ≈ Q4 2016.

Average Bench: 26.2% (141st of 639)

Based on 4 user benchmarks.  Device: VID 152d PID 0551 Model: Hitachi HUA722020ALA331
Poor: 3%Average: 26.2% Great: 43%

Very poor average bench

The Hitachi HUA722020ALA331 2TB averaged 73.7% 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 77.8MB/s
Avg. 4K Random Write Speed 1.14MB/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 0.77MB/s
Avg. Sequential Read Speed 74.6MB/s

Average Bench

(Based on 4 samples)
Rank 14126.2%
Min Avg Max
12.8 Read 74.6 113
32 Write 77.8 109
14.3 Mixed 36.4 63.8
0 SusWrite 38.1 67.7
73.6% 56.8 MB/s
Min Avg Max
0.7 4K Read 0.77 0.8
0.4 4K Write 1.14 1.4
0.3 4K Mixed 0.58 0.8
61.5% 0.83 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest USB (mainstream) averages a speed of 100%
1.5TB free, PID 0551
Operating at USB 3.0 Speed
42.6% Average
Read 113
Write 100
Mixed 14.3
86% 75.8 MB/s
4K Read 0.79
4K Write 1.38
4K Mixed 0.41
64% 0.86 MB/s
10GB free, PID 0551
Operating at USB 3.0 Speed
SusWrite @10s intervals: 66 67 68 68 69 68 MB/s
35.3% Below average
Read 110
Write 109
Mixed 63.8
SusWrite 67.7
115% 87.7 MB/s
4K Read 0.8
4K Write 1.4
4K Mixed 0.8
78% 1 MB/s
190GB free, PID 0551
Operating at USB 3.0 Speed
SusWrite @10s intervals: 46 47 46 47 47 47 MB/s
23.7% Poor
Read 62.5
Write 70.1
Mixed 44.6
SusWrite 46.7
75% 56 MB/s
4K Read 0.8
4K Write 1.4
4K Mixed 0.8
78% 1 MB/s
812GB free, PID 0551
Operating at USB 2.0 Speed
SusWrite @10s intervals: 0 0 0 0 MB/s
3.25% Terrible
Read 12.8
Write 32
Mixed 23
SusWrite 0
24% 17 MB/s
4K Read 0.7
4K Write 0.4
4K Mixed 0.3
26% 0.47 MB/s
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