TEST
YOUR USB

ASMT (ExtHD)

2105 4TB

▲ 500 ▼

Release date ≈ Q3 2015.

Average Bench: 40.1% (41st of 639)

Based on 29 user benchmarks.  Device: VID null PID null Model: ASMT 2105
Poor: 19%Average: 40.1% Great: 61%

Below average average bench

The ASMT 2105 4TB averaged 59.8% 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 106MB/s
Avg. 4K Random Write Speed 1.64MB/s

Average consistency

The range of scores (95th - 5th percentile) for the ASMT 2105 4TB is 42.1%. This is a relatively wide range which indicates that the ASMT 2105 4TB performs inconsistently under varying real world conditions.

Weaknesses

Avg. 4K Random Read Speed 2.06MB/s
Avg. 4K Random Mixed IO Speed 0.53MB/s
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Average Bench

(Based on 29 samples)
Rank 4140.1%
Min Avg Max
29.8 Read 116 176
24.8 Write 106 178
9.08 Mixed 63.9 120
10.3 SusWrite 80.7 181
120% 91.6 MB/s
Min Avg Max
0.36 4K Read 2.06 13.1
0.4 4K Write 1.64 5.88
0.19 4K Mixed 0.53 1.1
81.6% 1.41 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest USB (mainstream) averages a speed of 100%
970GB free, PID null
SusWrite @10s intervals: 33 32 35 35 34 41 MB/s
27.5% Poor
Read 127
Write 130
Mixed 45.8
SusWrite 34.8
106% 84.5 MB/s
4K Read 0.9
4K Write 0.4
4K Mixed 0.5
34% 0.6 MB/s
970GB free, PID null
SusWrite @10s intervals: 32 32 34 33 33 39 MB/s
27.4% Poor
Read 128
Write 122
Mixed 42.1
SusWrite 33.9
101% 81.7 MB/s
4K Read 0.9
4K Write 0.4
4K Mixed 0.5
34% 0.6 MB/s
968GB free, PID null
SusWrite @10s intervals: 32 35 34 33 35 40 MB/s
27% Poor
Read 122
Write 126
Mixed 39.9
SusWrite 34.9
101% 80.6 MB/s
4K Read 0.8
4K Write 0.5
4K Mixed 0.5
37% 0.6 MB/s
636GB free, PID null
SusWrite @10s intervals: 29 32 30 30 33 38 MB/s
21.1% Poor
Read 87.8
Write 87.9
Mixed 36.3
SusWrite 31.9
77% 61 MB/s
4K Read 0.7
4K Write 0.4
4K Mixed 0.5
33% 0.53 MB/s
29 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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