TEST
YOUR USB

ST3000DM (ExtHD)

001-1ER166 3TB

▲ 500 ▼

Release date ≈ Q3 2016.

Average Bench: 42.3% (36th of 639)

Based on 12 user benchmarks.  Device: VID 067b PID 2775 Model: ST3000DM 001-1ER166
Poor: 13%Average: 42.3% Great: 62%

Below average average bench

The ST3000DM 001-1ER166 3TB averaged 57.7% 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 110MB/s
Avg. 4K Random Write Speed 1.57MB/s

Average consistency

The range of scores (95th - 5th percentile) for the ST3000DM 001-1ER166 3TB is 49.6%. This is a relatively wide range which indicates that the ST3000DM 001-1ER166 3TB performs inconsistently under varying real world conditions.

Weaknesses

Avg. 4K Random Read Speed 0.63MB/s
Avg. 4K Random Mixed IO Speed 0.67MB/s
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Average Bench

(Based on 12 samples)
Rank 3642.3%
Min Avg Max
26.2 Read 127 203
24.6 Write 110 173
21.5 Mixed 71.9 136
4.6 SusWrite 70.7 126
123% 94.9 MB/s
Min Avg Max
0.1 4K Read 0.63 0.8
0.4 4K Write 1.57 1.8
0.2 4K Mixed 0.67 0.9
78.6% 0.96 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest USB (mainstream) averages a speed of 100%
249GB free, PID 2775
Operating at USB 3.0 Speed
SusWrite @10s intervals: 104 104 105 101 97 96 MB/s
46.7% Average
Read 135
Write 108
Mixed 71.4
SusWrite 101
135% 104 MB/s
4K Read 0.7
4K Write 1.6
4K Mixed 0.8
84% 1.03 MB/s
1TB free, PID 2775
Operating at USB 3.0 Speed
SusWrite @10s intervals: 87 88 89 86 87 85 MB/s
46.3% Average
Read 151
Write 122
Mixed 80.1
SusWrite 86.8
141% 110 MB/s
4K Read 0.7
4K Write 1.7
4K Mixed 0.8
88% 1.07 MB/s
66GB free, PID 2775
Operating at USB 3.0 Speed
SusWrite @10s intervals: 91 92 95 99 101 96 MB/s
41.5% Average
Read 106
Write 76.8
Mixed 67.5
SusWrite 95.7
114% 86.4 MB/s
4K Read 0.7
4K Write 1.7
4K Mixed 0.7
84% 1.03 MB/s
225GB free, PID 2775
Operating at USB 3.0 Speed
SusWrite @10s intervals: 54 56 59 58 54 58 MB/s
36.2% Below average
Read 126
Write 102
Mixed 70.5
SusWrite 56.4
113% 88.6 MB/s
4K Read 0.7
4K Write 1.8
4K Mixed 0.9
94% 1.13 MB/s
848GB free, PID 2775
Operating at USB 3.0 Speed
SusWrite @10s intervals: 54 54 52 54 56 51 MB/s
17.6% Very poor
Read 32.2
Write 64.6
Mixed 33
SusWrite 53.7
66% 45.9 MB/s
4K Read 0.1
4K Write 0.4
4K Mixed 0.2
21% 0.23 MB/s
582GB free, PID 2775
Operating at USB 2.1 Speed
SusWrite @10s intervals: 17 16 16 15 17 17 MB/s
12.8% Very poor
Read 26.2
Write 24.6
Mixed 21.5
SusWrite 16.5
30% 22.2 MB/s
4K Read 0.7
4K Write 1.7
4K Mixed 0.9
91% 1.1 MB/s
1.5TB free, PID 2775
Operating at USB 2.1 Speed
SusWrite @10s intervals: 4.7 4.6 4.6 4.5 4.7 4.9 MB/s
12.1% Very poor
Read 39.2
Write 38.3
Mixed 31
SusWrite 4.6
36% 28.3 MB/s
4K Read 0.8
4K Write 1.7
4K Mixed 0.8
88% 1.1 MB/s
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