TEST
YOUR USB

ADATA (ExtHD)

HD830 2TB

▲ 500 ▼

Release date ≈ Q1 2019.

Average Bench: 35.6% (57th of 639)

Based on 103 user benchmarks.  Device: VID 125f PID a84a Model: ADATA HD830
Poor: 11%Average: 35.6% Great: 51%

Poor average bench

The ADATA HD830 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. 4K Random Write Speed 1.97MB/s
Avg. Sequential Write Speed 92.8MB/s

Average consistency

The range of scores (95th - 5th percentile) for the ADATA HD830 2TB is 40.6%. This is a relatively wide range which indicates that the ADATA HD830 2TB performs inconsistently under varying real world conditions.

Weaknesses

Avg. 4K Random Read Speed 1.16MB/s
Avg. Sequential Read Speed 71.3MB/s
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Average Bench

(Based on 103 samples)
Rank 5735.6%
Min Avg Max
20.9 Read 71.3 123
24.7 Write 92.8 139
17.2 Mixed 68.2 109
22.3 SusWrite 86.7 128
111% 79.8 MB/s
Min Avg Max
0.24 4K Read 1.16 1.98
0.3 4K Write 1.97 4.18
0.2 4K Mixed 0.58 1.1
91% 1.24 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest USB (mainstream) averages a speed of 100%
46GB free, PID a84a
Operating at USB 3.0 Speed
SusWrite @10s intervals: 125 129 131 130 132 130 MB/s
50.1% Above average
Read 92.8
Write 135
Mixed 90.4
SusWrite 130
158% 112 MB/s
4K Read 1.8
4K Write 2.6
4K Mixed 0.2
102% 1.53 MB/s
49GB free, PID a84a
Operating at USB 3.0 Speed
SusWrite @10s intervals: 121 129 120 126 130 125 MB/s
43.6% Average
Read 59.5
Write 130
Mixed 97.7
SusWrite 125
152% 103 MB/s
4K Read 1.2
4K Write 2.4
4K Mixed 0.7
110% 1.43 MB/s
49GB free, PID a84a
Operating at USB 3.0 Speed
SusWrite @10s intervals: 98 126 89 97 131 134 MB/s
43.5% Average
Read 109
Write 134
Mixed 56.6
SusWrite 112
140% 103 MB/s
4K Read 0.5
4K Write 1
4K Mixed 0.3
46% 0.6 MB/s
1TB free, PID a84a
Operating at USB 3.0 Speed
SusWrite @10s intervals: 94 96 96 91 92 90 MB/s
33.9% Below average
Read 85.8
Write 106
Mixed 88.6
SusWrite 93.1
130% 93.4 MB/s
4K Read 0.9
4K Write 0.3
4K Mixed 1
48% 0.73 MB/s
306GB free, PID a84a
Operating at USB 3.0 Speed
SusWrite @10s intervals: 66 67 62 66 52 60 MB/s
24% Poor
Read 59.7
Write 57.7
Mixed 35.6
SusWrite 62.2
72% 53.8 MB/s
4K Read 1.1
4K Write 0.5
4K Mixed 0.4
35% 0.67 MB/s
124GB free, PID a84a
Operating at USB 2.1 Speed
SusWrite @10s intervals: 21 20 21 23 26 24 MB/s
8.45% Terrible
Read 21.4
Write 21.9
Mixed 17.7
SusWrite 22.6
29% 20.9 MB/s
4K Read 1.8
4K Write 0
4K Mixed 0.2
14% 0.67 MB/s
45GB free, PID a84a
Operating at USB 2.1 Speed
SusWrite @10s intervals: 12 8 6.5 6.5 7.5 6.9 MB/s
3.54% Terrible
Read 10.4
Write 10.9
Mixed 12.1
SusWrite 7.9
14% 10.3 MB/s
4K Read 1.3
4K Write 0
4K Mixed 0
5% 0.43 MB/s
103 MORE »
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