TEST
YOUR USB

External (ExtHD)

USB3.0 240GB

▲ 502 ▼

Release date ≈ Q3 2018.

Average Bench: 96.4% (5th of 639)

Based on 40 user benchmarks.  Device: VID 152d PID 0578 Model: External USB3.0
Poor: 17%Average: 96.4% Great: 256%

Excellent average bench

The External USB3.0 240GB averaged just 3.5% lower than the peak scores attained by the group leaders. This is an excellent result which ranks the External USB3.0 240GB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Write Speed 35.8MB/s
Avg. 4K-64Thread Mixed IO Speed 21MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the External USB3.0 240GB is 240%. This is a particularly wide range which indicates that the External USB3.0 240GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sequential Read Speed 149MB/s
Avg. 4K Random Read Speed 11.8MB/s
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Average Bench

(Based on 40 samples)
Rank 596.4%
Min Avg Max
0.8 Read 149 382
0.7 Write 122 393
0.8 Mixed 104 267
0.8 SusWrite 96.2 292
154% 118 MB/s
Min Avg Max
0.6 4K Read 11.8 23.1
0.6 4K Write 16.6 66.1
0.4 4K Mixed 11 30.3
983% 13.1 MB/s
Min Avg Max
9.2 DQ Read 20.9 28.5
6.1 DQ Write 35.8 83.6
5.7 DQ Mixed 21 34.3
2,008% 25.9 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest USB (mainstream) averages a speed of 100%
38GB free, PID 0578
Operating at USB 3.0 Speed
SusWrite @10s intervals: 293 207 151 71 176 46 MB/s
164% Outstanding
Read 331
Write 295
Mixed 254
SusWrite 157
339% 259 MB/s
4K Read 18.1
4K Write 25.1
4K Mixed 19.5
1,584% 20.9 MB/s
DQ Read 20.7
DQ Write 26.4
DQ Mixed 21.7
1,713% 22.9 MB/s
36GB free, PID 0578
Operating at USB 3.0 Speed
SusWrite @10s intervals: 246 116 149 185 196 46 MB/s
116% Outstanding
Read 158
Write 82
Mixed 75.5
SusWrite 156
152% 118 MB/s
4K Read 9.9
4K Write 18.5
4K Mixed 17.1
1,248% 15.2 MB/s
DQ Read 17.2
DQ Write 30.7
DQ Mixed 21.8
1,850% 23.2 MB/s
32GB free, PID 0578
Operating at USB 3.0 Speed
SusWrite @10s intervals: 84 105 111 113 117 117 MB/s
115% Outstanding
Read 146
Write 110
Mixed 125
SusWrite 108
162% 122 MB/s
4K Read 14.4
4K Write 21.8
4K Mixed 17.4
1,387% 17.9 MB/s
DQ Read 18.1
DQ Write 27.9
DQ Mixed 21.2
1,737% 22.4 MB/s
26GB free, PID 0578
Operating at USB 3.0 Speed
SusWrite @10s intervals: 3.2 2.3 3.2 2.8 4.3 9 MB/s
110% Outstanding
Read 284
Write 128
Mixed 55.3
SusWrite 4.1
122% 118 MB/s
4K Read 19.1
4K Write 20.5
4K Mixed 14
1,244% 17.9 MB/s
DQ Read 19.2
DQ Write 6.1
DQ Mixed 5.7
472% 10.3 MB/s
32GB free, PID 0578
Operating at USB 3.0 Speed
SusWrite @10s intervals: 92 101 92 109 106 101 MB/s
101% Outstanding
Read 134
Write 99.9
Mixed 117
SusWrite 100
150% 113 MB/s
4K Read 12.7
4K Write 18.6
4K Mixed 15.6
1,210% 15.6 MB/s
DQ Read 18.1
DQ Write 30.3
DQ Mixed 21.2
1,819% 23.2 MB/s
40 MORE »
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  • Best user rated - User sentiment trumps benchmarks for this comparison.
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  • Fastest real world speed - Real World Speed measures performance for typical consumers.

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