TEST
YOUR USB

ADATA (ExtHD)

HV620S 2TB

▲ 500 ▼

Release date ≈ Q2 2018.

Average Bench: 38.3% (47th of 639)

Based on 34 user benchmarks.  Device: VID 125f PID a64a Model: ADATA HV620S
Poor: 15%Average: 38.3% Great: 52%

Poor average bench

The ADATA HV620S 2TB averaged 61.6% 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 2.88MB/s
Avg. Sequential Write Speed 89.1MB/s

Above average consistency

The range of scores (95th - 5th percentile) for the ADATA HV620S 2TB is 36.6%. This is a relatively wide range which indicates that the ADATA HV620S 2TB performs inconsistently under varying real world conditions.

Weaknesses

Avg. 4K Random Read Speed 1.21MB/s
Avg. Sequential Read Speed 72.4MB/s
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Average Bench

(Based on 34 samples)
Rank 4738.3%
Min Avg Max
23 Read 72.4 175
21.3 Write 89.1 133
4.3 Mixed 58.5 103
18.6 SusWrite 84.6 131
105% 76.1 MB/s
Min Avg Max
0.5 4K Read 1.21 2.3
1.2 4K Write 2.88 5.8
0.1 4K Mixed 0.59 1.1
123% 1.56 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest USB (mainstream) averages a speed of 100%
344GB free, PID a64a
Operating at USB 3.0 Speed
SusWrite @10s intervals: 96 104 102 106 106 106 MB/s
45.5% Average
Read 85.7
Write 132
Mixed 86.8
SusWrite 104
144% 102 MB/s
4K Read 1.7
4K Write 3.3
4K Mixed 0.7
142% 1.9 MB/s
378GB free, PID a64a
Operating at USB 3.0 Speed
SusWrite @10s intervals: 91 93 92 92 93 92 MB/s
40.8% Average
Read 95.8
Write 94.7
Mixed 49
SusWrite 92.2
111% 82.9 MB/s
4K Read 1.3
4K Write 2.1
4K Mixed 0.3
86% 1.23 MB/s
873GB free, PID a64a
Operating at USB 3.0 Speed
SusWrite @10s intervals: 101 95 100 100 101 100 MB/s
37.3% Below average
Read 79.2
Write 100
Mixed 76.9
SusWrite 99.4
124% 88.9 MB/s
4K Read 0.7
4K Write 1.3
4K Mixed 0.6
67% 0.87 MB/s
990GB free, PID a64a
Operating at USB 3.0 Speed
SusWrite @10s intervals: 104 103 99 104 97 102 MB/s
36.9% Below average
Read 73
Write 98.1
Mixed 76.5
SusWrite 101
123% 87.2 MB/s
4K Read 0.8
4K Write 1.3
4K Mixed 0.6
68% 0.9 MB/s
489GB free, PID a64a
Operating at USB 3.0 Speed
SusWrite @10s intervals: 80 84 83 86 85 78 MB/s
31.8% Below average
Read 65.8
Write 95.5
Mixed 71.6
SusWrite 82.8
111% 78.9 MB/s
4K Read 0.7
4K Write 1.3
4K Mixed 0.6
67% 0.87 MB/s
331GB free, PID a64a
Operating at USB 2.1 Speed
SusWrite @10s intervals: 40 41 40 41 41 40 MB/s
22.6% Poor
Read 35.9
Write 39.9
Mixed 23.6
SusWrite 40.3
48% 34.9 MB/s
4K Read 1.2
4K Write 2.7
4K Mixed 0.4
110% 1.43 MB/s
34 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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