TEST
YOUR USB

ST310005 (ExtHD)

24AS 1TB

▲ 500 ▼

Release date ≈ Q2 2014.

Average Bench: 15% (341st of 639)

Based on 20 user benchmarks.  Device: VID 152d PID 2352 Model: ST310005 24AS
Poor: 11%Average: 15% Great: 19%

Terrible average bench

The ST310005 24AS 1TB averaged 85.0% 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 1.41MB/s
Avg. 4K Random Mixed IO Speed 0.65MB/s

Excellent consistency

The range of scores (95th - 5th percentile) for the ST310005 24AS 1TB is just 8.05%. This is an extremely narrow range which indicates that the ST310005 24AS 1TB performs superbly consistently under varying real world conditions.

Weaknesses

Avg. 4K Random Read Speed 0.7MB/s
Avg. Sequential Read Speed 32.9MB/s
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Average Bench

(Based on 20 samples)
Rank 34115%
Min Avg Max
12 Read 32.9 42.5
19.9 Write 31.8 42.7
9.25 Mixed 22.9 32.5
4.6 SusWrite 23.8 41
37% 27.8 MB/s
Min Avg Max
0.41 4K Read 0.7 0.8
0.96 4K Write 1.41 1.8
0.25 4K Mixed 0.65 1
72.9% 0.92 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest USB (mainstream) averages a speed of 100%
14GB free, PID 2352
Operating at USB 2.0 Speed
SusWrite @10s intervals: 39 40 40 40 40 40 MB/s
19.6% Very poor
Read 38
Write 38.5
Mixed 30
SusWrite 39.6
50% 36.5 MB/s
4K Read 0.8
4K Write 1.7
4K Mixed 1
95% 1.17 MB/s
14GB free, PID 2352
Operating at USB 2.0 Speed
SusWrite @10s intervals: 38 38 36 39 37 36 MB/s
19% Very poor
Read 37.7
Write 38.5
Mixed 29
SusWrite 37.2
48% 35.6 MB/s
4K Read 0.8
4K Write 1.7
4K Mixed 1
95% 1.17 MB/s
50GB free, PID 2352
Operating at USB 2.0 Speed
SusWrite @10s intervals: 39 38 38 37 37 36 MB/s
18.9% Very poor
Read 37.2
Write 38.8
Mixed 30
SusWrite 37.3
49% 35.8 MB/s
4K Read 0.8
4K Write 1.7
4K Mixed 1
95% 1.17 MB/s
812GB free, PID 2352
SusWrite @10s intervals: 34 36 36 38 36 37 MB/s
17.6% Very poor
Read 40.4
Write 39.8
Mixed 31.1
SusWrite 36.2
50% 36.9 MB/s
4K Read 0.8
4K Write 1.2
4K Mixed 0.9
74% 0.97 MB/s
931GB free, PID 2352
Operating at USB 2.0 Speed
SusWrite @10s intervals: 38 41 41 42 42 42 MB/s
14.9% Very poor
Read 12
Write 19.9
Mixed 20.8
SusWrite 41
35% 23.4 MB/s
4K Read 0.8
4K Write 1.3
4K Mixed 0.9
78% 1 MB/s
882GB free, PID 2352
Operating at USB 2.0 Speed
SusWrite @10s intervals: 4.8 5.7 4.9 4.8 4.8 4.9 MB/s
13% Very poor
Read 42.5
Write 42.7
Mixed 32.5
SusWrite 5
39% 30.7 MB/s
4K Read 0.8
4K Write 1.8
4K Mixed 1
98% 1.2 MB/s
931GB free, PID 2352
Operating at USB 2.0 Speed
SusWrite @10s intervals: 17 18 18 18 16 15 MB/s
12.9% Very poor
Read 32.6
Write 29.9
Mixed 25
SusWrite 17.1
34% 26.1 MB/s
4K Read 0.8
4K Write 1.4
4K Mixed 0.9
81% 1.03 MB/s
435GB free, PID 2352
Operating at USB 2.0 Speed
SusWrite @10s intervals: 18 15 15 15 15 15 MB/s
12.4% Very poor
Read 29
Write 27.8
Mixed 22.7
SusWrite 15.4
31% 23.7 MB/s
4K Read 0.8
4K Write 1.5
4K Mixed 0.9
85% 1.07 MB/s
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