TEST
YOUR USB

ST932031 (ExtHD)

0AS 320GB

▲ 500 ▼

Release date ≈ Q4 2018.

Average Bench: 23.3% (184th of 639)

Based on 6 user benchmarks.  Device: VID 174c PID 55aa Model: ST932031 0AS
Poor: 12%Average: 23.3% Great: 28%

Very poor average bench

The ST932031 0AS 320GB averaged 76.7% 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 67.9MB/s
Avg. 4K Random Write Speed 0.85MB/s

Very good consistency

The range of scores (95th - 5th percentile) for the ST932031 0AS 320GB is just 16.4%. This is a relatively narrow range which indicates that the ST932031 0AS 320GB performs reasonably consistently under varying real world conditions.

Weaknesses

Avg. 4K Random Read Speed 0.5MB/s
Avg. Sequential Read Speed 68.2MB/s
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Average Bench

(Based on 6 samples)
Rank 18423.3%
Min Avg Max
24 Read 68.2 82.8
21.3 Write 67.9 82.4
18.8 Mixed 36.3 49.2
24.6 SusWrite 48.8 67.6
72.8% 55.3 MB/s
Min Avg Max
0.5 4K Read 0.5 0.5
0.8 4K Write 0.85 0.9
0.7 4K Mixed 0.7 0.7
54.6% 0.68 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest USB (mainstream) averages a speed of 100%
74GB free, PID 55aa
Operating at USB 3.0 Speed
SusWrite @10s intervals: 66 68 68 67 68 69 MB/s
28.2% Poor
Read 72.8
Write 73.3
Mixed 35.5
SusWrite 67.6
83% 62.3 MB/s
4K Read 0.5
4K Write 0.9
4K Mixed 0.7
56% 0.7 MB/s
91GB free, PID 55aa
Operating at USB 3.1 Speed
SusWrite @10s intervals: 58 62 60 62 61 60 MB/s
26.8% Poor
Read 75.5
Write 82.4
Mixed 49.2
SusWrite 60.7
90% 66.9 MB/s
4K Read 0.5
4K Write 0.8
4K Mixed 0.7
53% 0.67 MB/s
261GB free, PID 55aa
Operating at USB 3.0 Speed
SusWrite @10s intervals: 50 48 48 48 48 48 MB/s
25.1% Poor
Read 80.8
Write 78.5
Mixed 37.8
SusWrite 48.3
80% 61.4 MB/s
4K Read 0.5
4K Write 0.9
4K Mixed 0.7
56% 0.7 MB/s
35GB free, PID 55aa
Operating at USB 3.0 Speed
SusWrite @10s intervals: 47 46 46 46 46 46 MB/s
23.2% Poor
Read 73.3
Write 72.5
Mixed 38
SusWrite 45.9
75% 57.4 MB/s
4K Read 0.5
4K Write 0.8
4K Mixed 0.7
53% 0.67 MB/s
18GB free, PID 55aa
Operating at USB 3.0 Speed
SusWrite @10s intervals: 44 45 46 46 46 45 MB/s
18.7% Very poor
Read 40.8
Write 44.8
Mixed 30
SusWrite 45.4
55% 40.2 MB/s
4K Read 0.5
4K Write 0.9
4K Mixed 0.7
56% 0.7 MB/s
171GB free, PID 55aa
Operating at USB 2.1 Speed
SusWrite @10s intervals: 24 25 25 25 25 25 MB/s
11.7% Very poor
Read 24
Write 21.3
Mixed 18.8
SusWrite 24.6
30% 22.2 MB/s
4K Read 0.5
4K Write 0.9
4K Mixed 0.7
56% 0.7 MB/s
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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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