TEST
YOUR USB

ST1500DM (ExtHD)

003-9YN16G 1.5TB

▲ 500 ▼

Release date ≈ Q1 2015.

Average Bench: 37.4% (52nd of 639)

Based on 22 user benchmarks.  Device: VID 174c PID 5106 Model: ST1500DM 003-9YN16G
Poor: 16%Average: 37.4% Great: 56%

Poor average bench

The ST1500DM 003-9YN16G 1.5TB averaged 62.5% 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. Sustained Write Speed 89MB/s
Avg. Sequential Write Speed 76.5MB/s

Average consistency

The range of scores (95th - 5th percentile) for the ST1500DM 003-9YN16G 1.5TB is 40%. This is a relatively wide range which indicates that the ST1500DM 003-9YN16G 1.5TB performs inconsistently under varying real world conditions.

Weaknesses

Avg. 4K Random Read Speed 0.81MB/s
Avg. Sequential Read Speed 86MB/s
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Average Bench

(Based on 22 samples)
Rank 5237.4%
Min Avg Max
28.7 Read 86 151
12.2 Write 76.5 149
19.3 Mixed 65.8 130
24.6 SusWrite 89 178
107% 79.3 MB/s
Min Avg Max
0.6 4K Read 0.81 1
0.7 4K Write 1 1.3
0.25 4K Mixed 0.55 0.8
56% 0.79 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest USB (mainstream) averages a speed of 100%
248GB free, PID 5106
Operating at USB 3.0 Speed
SusWrite @10s intervals: 174 179 179 182 177 177 MB/s
64.6% Good
Read 151
Write 117
Mixed 86.9
SusWrite 178
178% 133 MB/s
4K Read 0.7
4K Write 1.2
4K Mixed 0.7
67% 0.87 MB/s
150GB free, PID 5106
Operating at USB 3.0 Speed
SusWrite @10s intervals: 144 123 118 131 109 144 MB/s
48% Average
Read 120
Write 98.5
Mixed 81.7
SusWrite 128
144% 107 MB/s
4K Read 0.8
4K Write 0.8
4K Mixed 0.7
54% 0.77 MB/s
837GB free, PID 5106
Operating at USB 3.0 Speed
SusWrite @10s intervals: 120 136 132 136 136 133 MB/s
47% Average
Read 96.6
Write 37
Mixed 73.7
SusWrite 132
114% 84.8 MB/s
4K Read 0.9
4K Write 1.3
4K Mixed 0.8
75% 1 MB/s
176GB free, PID 5106
Operating at USB 3.0 Speed
SusWrite @10s intervals: 117 116 114 126 113 119 MB/s
40.5% Average
Read 82.4
Write 74.4
Mixed 72.3
SusWrite 117
120% 86.6 MB/s
4K Read 0.7
4K Write 0.9
4K Mixed 0.6
54% 0.73 MB/s
136GB free, PID 5106
Operating at USB 3.0 Speed
SusWrite @10s intervals: 96 117 115 117 118 117 MB/s
38.5% Below average
Read 77.1
Write 41.4
Mixed 61
SusWrite 113
100% 73.2 MB/s
4K Read 0.7
4K Write 0.8
4K Mixed 0.7
54% 0.73 MB/s
11GB free, PID 5106
Operating at USB 3.0 Speed
SusWrite @10s intervals: 84 94 94 94 94 92 MB/s
34.9% Below average
Read 82.3
Write 64.2
Mixed 63.5
SusWrite 91.9
102% 75.5 MB/s
4K Read 0.8
4K Write 0.9
4K Mixed 0.6
54% 0.77 MB/s
19GB free, PID 5106
Operating at USB 2.1 Speed
SusWrite @10s intervals: 37 38 35 38 37 38 MB/s
17.5% Very poor
Read 37.8
Write 20
Mixed 30.3
SusWrite 37.1
41% 31.3 MB/s
4K Read 0.9
4K Write 1.2
4K Mixed 0.7
68% 0.93 MB/s
879GB free, PID 5106
Operating at USB 2.1 Speed
SusWrite @10s intervals: 32 39 39 40 40 39 MB/s
16.5% Very poor
Read 37.9
Write 28.2
Mixed 29.7
SusWrite 38.1
45% 33.5 MB/s
4K Read 1
4K Write 0.8
4K Mixed 0.7
55% 0.83 MB/s
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