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YOUR USB

ST325082 (ExtHD)

0A 250GB

▲ 500 ▼

Release date ≈ Q2 2015.

Average Bench: 15.1% (333rd of 639)

Based on 10 user benchmarks.  Device: VID 059b PID 007e Model: ST325082 0A
Poor: 11%Average: 15.1% Great: 17%

Terrible average bench

The ST325082 0A 250GB averaged 84.9% 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 1.08MB/s
Avg. 4K Random Mixed IO Speed 0.52MB/s

Excellent consistency

The range of scores (95th - 5th percentile) for the ST325082 0A 250GB is just 5.2%. This is an extremely narrow range which indicates that the ST325082 0A 250GB performs superbly consistently under varying real world conditions.

Weaknesses

Avg. 4K Random Read Speed 0.68MB/s
Avg. Sequential Read Speed 34.3MB/s

Average Bench

(Based on 10 samples)
Rank 33315.1%
Min Avg Max
23.3 Read 34.3 63.7
18.2 Write 29.2 36
13.1 Mixed 23.3 31.6
21.5 SusWrite 29 33.9
38.4% 29 MB/s
Min Avg Max
0.44 4K Read 0.68 1.1
0.6 4K Write 1.08 1.29
0.33 4K Mixed 0.52 0.7
56.9% 0.76 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest USB (mainstream) averages a speed of 100%
10GB free, PID 007e
Operating at USB 2.0 Speed
SusWrite @10s intervals: 34 31 34 35 34 35 MB/s
18.7% Very poor
Read 63.7
Write 18.2
Mixed 31.6
SusWrite 33.7
44% 36.8 MB/s
4K Read 1.1
4K Write 0.6
4K Mixed 0.7
48% 0.8 MB/s
46GB free, PID 007e
Operating at USB 2.0 Speed
SusWrite @10s intervals: 36 36 36 36 31 27 MB/s
16.4% Very poor
Read 36
Write 36
Mixed 27.2
SusWrite 33.8
45% 33.2 MB/s
4K Read 0.6
4K Write 1.2
4K Mixed 0.7
67% 0.83 MB/s
28GB free, PID 007e
Operating at USB 2.0 Speed
SusWrite @10s intervals: 34 33 34 34 34 35 MB/s
14.6% Very poor
Read 33.1
Write 33.5
Mixed 29.3
SusWrite 33.9
44% 32.4 MB/s
4K Read 1.1
4K Write 0.7
4K Mixed 0.7
52% 0.83 MB/s
14GB free, PID 007e
Operating at USB 2.0 Speed
SusWrite @10s intervals: 23 23 22 21 21 21 MB/s
12% Very poor
Read 23.3
Write 23.2
Mixed 21.5
SusWrite 21.9
31% 22.5 MB/s
4K Read 0.6
4K Write 1.2
4K Mixed 0.7
67% 0.83 MB/s
19GB free, PID 007e
Operating at USB 2.0 Speed
SusWrite @10s intervals: 19 19 19 24 24 24 MB/s
11.3% Very poor
Read 25.9
Write 21.6
Mixed 20.3
SusWrite 21.5
30% 22.3 MB/s
4K Read 0.5
4K Write 0.9
4K Mixed 0.6
53% 0.67 MB/s
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