TEST
YOUR USB

ST310005 (ExtHD)

28AS 1TB

▲ 500 ▼

Release date ≈ Q1 2015.

Average Bench: 29.4% (107th of 639)

Based on 40 user benchmarks.  Device: VID 174c PID 5106 Model: ST310005 28AS
Poor: 13%Average: 29.4% Great: 44%

Very poor average bench

The ST310005 28AS 1TB averaged 70.5% 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 1.29MB/s
Avg. Sequential Write Speed 70.7MB/s

Above average consistency

The range of scores (95th - 5th percentile) for the ST310005 28AS 1TB is 31.7%. This is a relatively narrow range which indicates that the ST310005 28AS 1TB performs reasonably consistently under varying real world conditions.

Weaknesses

Avg. 4K Random Read Speed 0.71MB/s
Avg. Sequential Read Speed 73.1MB/s
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Average Bench

(Based on 40 samples)
Rank 10729.4%
Min Avg Max
0.99 Read 73.1 124
0.95 Write 70.7 123
0.95 Mixed 51.9 115
26.8 SusWrite 69.4 120
89.4% 66.3 MB/s
Min Avg Max
0.3 4K Read 0.71 0.9
0.7 4K Write 1.29 1.9
0.24 4K Mixed 0.67 1
69.3% 0.89 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest USB (mainstream) averages a speed of 100%
273GB free, PID 5106
Operating at USB 3.0 Speed
SusWrite @10s intervals: 87 88 88 89 88 88 MB/s
41.7% Average
Read 124
Write 122
Mixed 75.6
SusWrite 88
136% 103 MB/s
4K Read 0.8
4K Write 1.4
4K Mixed 1
85% 1.07 MB/s
503GB free, PID 5106
Operating at USB 3.0 Speed
SusWrite @10s intervals: 96 93 92 94 93 94 MB/s
40% Average
Read 102
Write 102
Mixed 63.2
SusWrite 93.7
121% 90.1 MB/s
4K Read 0.8
4K Write 1.5
4K Mixed 0.9
85% 1.07 MB/s
242GB free, PID 5106
Operating at USB 3.0 Speed
SusWrite @10s intervals: 98 95 97 96 95 98 MB/s
37.5% Below average
Read 98
Write 81.8
Mixed 63.6
SusWrite 96.4
113% 84.9 MB/s
4K Read 0.7
4K Write 0.7
4K Mixed 0.6
47% 0.67 MB/s
13GB free, PID 5106
Operating at USB 3.0 Speed
SusWrite @10s intervals: 74 76 76 76 75 75 MB/s
34.1% Below average
Read 96.3
Write 65.5
Mixed 67.5
SusWrite 75.2
100% 76.1 MB/s
4K Read 0.3
4K Write 1.2
4K Mixed 0.4
56% 0.63 MB/s
296GB free, PID 5106
Operating at USB 3.0 Speed
SusWrite @10s intervals: 85 86 78 87 85 82 MB/s
34.1% Below average
Read 88.6
Write 86.9
Mixed 66.4
SusWrite 83.8
110% 81.4 MB/s
4K Read 0.8
4K Write 0.9
4K Mixed 0.8
61% 0.83 MB/s
13GB free, PID 5106
Operating at USB 3.0 Speed
SusWrite @10s intervals: 65 64 62 65 63 63 MB/s
26.5% Poor
Read 58.2
Write 63.4
Mixed 52
SusWrite 63.5
82% 59.3 MB/s
4K Read 0.8
4K Write 1.3
4K Mixed 1
81% 1.03 MB/s
40 MORE »
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  • Fastest real world speed - Real World Speed measures performance for typical consumers.

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