TEST
YOUR USB

HitachiG (ExtHD)

ST 3TB

▲ 500 ▼

Release date ≈ Q3 2018.

Average Bench: 34% (63rd of 639)

Based on 13 user benchmarks.  Device: VID 4971 PID 1015 Model: HitachiG ST
Poor: 15%Average: 34% Great: 53%

Poor average bench

The HitachiG ST 3TB averaged 65.9% 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. 4K Random Write Speed 1.44MB/s
Avg. Sequential Write Speed 85.4MB/s

Above average consistency

The range of scores (95th - 5th percentile) for the HitachiG ST 3TB is 37.7%. This is a relatively wide range which indicates that the HitachiG ST 3TB performs inconsistently under varying real world conditions.

Weaknesses

Avg. 4K Random Read Speed 0.91MB/s
Avg. Sequential Read Speed 83.4MB/s
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Average Bench

(Based on 13 samples)
Rank 6334%
Min Avg Max
23.4 Read 83.4 151
24 Write 85.4 152
13.7 Mixed 50.8 82.9
23.4 SusWrite 79.3 144
100% 74.7 MB/s
Min Avg Max
0.5 4K Read 0.91 1.1
0.6 4K Write 1.44 1.7
0.5 4K Mixed 0.72 0.9
76.6% 1.02 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest USB (mainstream) averages a speed of 100%
3TB free, PID 1015
Operating at USB 3.0 Speed
SusWrite @10s intervals: 143 144 144 144 144 144 MB/s
58.7% Above average
Read 151
Write 150
Mixed 82.9
SusWrite 144
176% 132 MB/s
4K Read 1.1
4K Write 1.7
4K Mixed 0.8
89% 1.2 MB/s
730GB free, PID 1015
Operating at USB 3.0 Speed
SusWrite @10s intervals: 132 132 133 132 132 134 MB/s
52% Above average
Read 122
Write 122
Mixed 75
SusWrite 133
153% 113 MB/s
4K Read 1.1
4K Write 1.7
4K Mixed 0.7
86% 1.17 MB/s
1.5TB free, PID 1015
Operating at USB 3.0 Speed
SusWrite @10s intervals: 131 133 132 132 132 133 MB/s
51.2% Above average
Read 117
Write 140
Mixed 76.9
SusWrite 132
160% 117 MB/s
4K Read 1
4K Write 1.7
4K Mixed 0.9
92% 1.2 MB/s
805GB free, PID 1015
Operating at USB 3.0 Speed
SusWrite @10s intervals: 99 98 92 93 99 94 MB/s
38% Below average
Read 85
Write 87.5
Mixed 53.7
SusWrite 95.7
109% 80.5 MB/s
4K Read 0.8
4K Write 1.5
4K Mixed 0.5
71% 0.93 MB/s
3TB free, PID 1015
Operating at USB 2.1 Speed
SusWrite @10s intervals: 40 40 40 40 40 40 MB/s
20.2% Poor
Read 41.2
Write 38.9
Mixed 36.2
SusWrite 40.3
53% 39.2 MB/s
4K Read 1.1
4K Write 1.7
4K Mixed 0.8
89% 1.2 MB/s
13 MORE »
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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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