TEST
YOUR USB

ST320005 (ExtHD)

42AS 2TB

▲ 500 ▼

Release date ≈ Q2 2015.

Average Bench: 26.7% (134th of 639)

Based on 50 user benchmarks.  Device: VID 152d PID 0567 Model: ST320005 42AS
Poor: 9%Average: 26.7% Great: 41%

Very poor average bench

The ST320005 42AS 2TB averaged 73.3% 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 1.51MB/s
Avg. Sequential Write Speed 69.5MB/s

Above average consistency

The range of scores (95th - 5th percentile) for the ST320005 42AS 2TB is 32.4%. This is a relatively narrow range which indicates that the ST320005 42AS 2TB performs reasonably consistently under varying real world conditions.

Weaknesses

Avg. 4K Random Read Speed 0.66MB/s
Avg. Sequential Read Speed 74.4MB/s
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Average Bench

(Based on 50 samples)
Rank 13426.7%
Min Avg Max
7.7 Read 74.4 112
8.5 Write 69.5 118
9.66 Mixed 47.1 92.5
0 SusWrite 47.3 105
78.2% 59.6 MB/s
Min Avg Max
0.2 4K Read 0.66 0.8
0.3 4K Write 1.51 1.9
0.18 4K Mixed 0.86 1.1
83.1% 1.01 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest USB (mainstream) averages a speed of 100%
1.5TB free, PID 0567
Operating at USB 3.0 Speed
SusWrite @10s intervals: 105 104 104 104 104 104 MB/s
42.7% Average
Read 98.8
Write 113
Mixed 64.1
SusWrite 104
129% 95 MB/s
4K Read 0.7
4K Write 1.8
4K Mixed 1
98% 1.17 MB/s
1.5TB free, PID 0567
Operating at USB 3.0 Speed
SusWrite @10s intervals: 98 102 99 104 104 99 MB/s
38.8% Below average
Read 80.8
Write 102
Mixed 55.9
SusWrite 101
118% 85.1 MB/s
4K Read 0.7
4K Write 1.6
4K Mixed 1.1
94% 1.13 MB/s
128GB free, PID 0567
Operating at USB 3.0 Speed
SusWrite @10s intervals: 81 86 86 84 85 86 MB/s
31.8% Below average
Read 57
Write 37.7
Mixed 51.2
SusWrite 84.7
79% 57.6 MB/s
4K Read 0.7
4K Write 1.6
4K Mixed 1
91% 1.1 MB/s
128GB free, PID 0567
Operating at USB 3.0 Speed
SusWrite @10s intervals: 70 74 75 76 76 71 MB/s
30.4% Below average
Read 61.9
Write 63.3
Mixed 41.9
SusWrite 73.6
82% 60.2 MB/s
4K Read 0.7
4K Write 1.7
4K Mixed 1
94% 1.13 MB/s
395GB free, PID 0567
Operating at USB 2.1 Speed
SusWrite @10s intervals: 4.6 4.7 4.8 4.6 4.7 4.8 MB/s
12.4% Very poor
Read 53.2
Write 36.2
Mixed 28.2
SusWrite 4.7
37% 30.6 MB/s
4K Read 1.1
4K Write 1.1
4K Mixed 0.9
72% 1.03 MB/s
269GB free, PID 0567
Operating at USB 2.1 Speed
SusWrite @10s intervals: 4.6 4.6 4.7 4.8 4.6 4.6 MB/s
11% Very poor
Read 39.9
Write 41.2
Mixed 29.7
SusWrite 4.6
37% 28.9 MB/s
4K Read 1
4K Write 1.3
4K Mixed 1
82% 1.1 MB/s
350GB free, PID 0567
Operating at USB 2.1 Speed
SusWrite @10s intervals: 6.4 4.7 4.7 4.7 4.6 4.7 MB/s
10.7% Very poor
Read 39.8
Write 40.9
Mixed 28.1
SusWrite 4.9
36% 28.4 MB/s
4K Read 0.9
4K Write 1.2
4K Mixed 0.9
75% 1 MB/s
50 MORE »
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