TEST
YOUR USB

USB (ExtHD)

3.0 super high speed 512GB

▲ 500 ▼

Release date ≈ Q1 2019.

Average Bench: 127% (3rd of 639)

Based on 7 user benchmarks.  Device: VID 2109 PID 0711 Model: USB 3.0 super high speed
Poor: 76%Average: 127% Great: 150%

Outstanding average bench

The USB 3.0 super high speed 512GB averaged 27.1% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the USB 3.0 super high speed 512GB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Write Speed 30.1MB/s
Avg. 4K Random Write Speed 22.4MB/s

Very poor consistency

The range of scores (95th - 5th percentile) for the USB 3.0 super high speed 512GB is 73.9%. This is a particularly wide range which indicates that the USB 3.0 super high speed 512GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sequential Read Speed 190MB/s
Avg. Sustained Write Speed 121MB/s
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Average Bench

(Based on 7 samples)
Rank 3127%
Min Avg Max
39.5 Read 190 240
37.2 Write 168 235
38.7 Mixed 175 228
39.6 SusWrite 121 204
218% 164 MB/s
Min Avg Max
15.3 4K Read 18 22.6
18.2 4K Write 22.4 25.8
12.4 4K Mixed 16.9 21.2
1,404% 19.1 MB/s
Min Avg Max
16 DQ Read 20.1 22.9
21.3 DQ Write 30.1 38.3
14.2 DQ Mixed 19.4 27.7
1,760% 23.2 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest USB (mainstream) averages a speed of 100%
270GB free, PID 0711
Operating at USB 3.0 Speed
SusWrite @10s intervals: 152 97 173 176 175 208 MB/s
150% Outstanding
Read 213
Write 136
Mixed 196
SusWrite 164
234% 177 MB/s
4K Read 18.6
4K Write 25.6
4K Mixed 21.2
1,661% 21.8 MB/s
DQ Read 19.5
DQ Write 28.5
DQ Mixed 22.6
1,810% 23.5 MB/s
316GB free (System drive), PID 0711
Operating at USB 3.0 Speed
SusWrite @10s intervals: 190 189 210 206 214 215 MB/s
146% Outstanding
Read 194
Write 213
Mixed 203
SusWrite 204
282% 203 MB/s
4K Read 17.4
4K Write 22.6
4K Mixed 19.6
1,500% 19.9 MB/s
DQ Read 22.9
DQ Write 36.5
DQ Mixed 27.7
2,269% 29 MB/s
92GB free, PID 0711
Operating at USB 3.0 Speed
SusWrite @10s intervals: 171 212 156 86 76 58 MB/s
146% Outstanding
Read 237
Write 223
Mixed 214
SusWrite 127
266% 200 MB/s
4K Read 19.3
4K Write 25.8
4K Mixed 15.4
1,473% 20.2 MB/s
DQ Read 20.7
DQ Write 38.3
DQ Mixed 17.9
1,988% 25.6 MB/s
414GB free, PID 0711
Operating at USB 3.0 Speed
SusWrite @10s intervals: 175 101 94 69 99 60 MB/s
131% Outstanding
Read 239
Write 235
Mixed 228
SusWrite 99.6
266% 200 MB/s
4K Read 22.6
4K Write 22.6
4K Mixed 21
1,567% 22.1 MB/s
DQ Read 22.6
DQ Write 21.3
DQ Mixed 18.3
1,431% 20.7 MB/s
146GB free, PID 0711
Operating at USB 3.0 Speed
SusWrite @10s intervals: 87 178 211 130 69 76 MB/s
122% Outstanding
Read 240
Write 220
Mixed 214
SusWrite 125
264% 200 MB/s
4K Read 16.2
4K Write 18.2
4K Mixed 12.6
1,108% 15.7 MB/s
DQ Read 20.1
DQ Write 38
DQ Mixed 17.8
1,972% 25.3 MB/s
144GB free (System drive), PID 0711
Operating at USB 3.0 Speed
SusWrite @10s intervals: 117 119 119 105 18 43 MB/s
119% Outstanding
Read 167
Write 115
Mixed 133
SusWrite 86.8
162% 125 MB/s
4K Read 16.7
4K Write 23.5
4K Mixed 12.4
1,283% 17.5 MB/s
DQ Read 18.8
DQ Write 26.7
DQ Mixed 14.2
1,461% 19.9 MB/s
153GB free, PID 0711
Operating at USB 2.1 Speed
SusWrite @10s intervals: 40 40 39 40 40 40 MB/s
75.7% Very good
Read 39.5
Write 37.2
Mixed 38.7
SusWrite 39.6
53% 38.8 MB/s
4K Read 15.3
4K Write 18.8
4K Mixed 15.8
1,234% 16.6 MB/s
DQ Read 16
DQ Write 21.6
DQ Mixed 17.4
1,386% 18.3 MB/s
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  • Fastest real world speed - Real World Speed measures performance for typical consumers.

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