TEST
YOUR USB

TO (ExtHD)

Exter nal USB 3.0 250GB

▲ 500 ▼

Release date ≈ Q4 2016.

Average Bench: 56.5% (18th of 639)

Based on 61 user benchmarks.  Device: VID 0080 PID a001 Model: TO Exter nal USB 3.0
Poor: 9%Average: 56.5% Great: 262%

Average average bench

The TO Exter nal USB 3.0 250GB averaged 43.5% 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. 4K-64Thread Write Speed 57.2MB/s
Avg. 4K-64Thread Mixed IO Speed 32.2MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the TO Exter nal USB 3.0 250GB is 253%. This is a particularly wide range which indicates that the TO Exter nal USB 3.0 250GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sequential Read Speed 76MB/s
Avg. 4K Random Read Speed 5.14MB/s
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Average Bench

(Based on 61 samples)
Rank 1856.5%
Min Avg Max
6.6 Read 76 340
15.6 Write 76.8 315
4.57 Mixed 58.4 272
6.78 SusWrite 75.2 317
97.2% 71.6 MB/s
Min Avg Max
0.21 4K Read 5.14 30.6
0.43 4K Write 9.33 65
0.22 4K Mixed 5.87 43.8
536% 6.78 MB/s
Min Avg Max
15.5 DQ Read 28.7 40.2
19.8 DQ Write 57.2 84.4
17.3 DQ Mixed 32.2 52.4
3,147% 39.4 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest USB (mainstream) averages a speed of 100%
76GB free, PID a001
Operating at USB 3.0 Speed
SusWrite @10s intervals: 373 321 319 320 315 316 MB/s
290% Outstanding
Read 344
Write 341
Mixed 314
SusWrite 327
452% 331 MB/s
4K Read 29.3
4K Write 52.8
4K Mixed 35.3
3,105% 39.1 MB/s
DQ Read 36.1
DQ Write 75.2
DQ Mixed 47.8
4,318% 53 MB/s
133GB free, PID a001
Operating at USB 3.0 Speed
SusWrite @10s intervals: 156 171 150 209 182 140 MB/s
112% Outstanding
Read 6.8
Write 245
Mixed 21.8
SusWrite 168
176% 110 MB/s
4K Read 19
4K Write 22.8
4K Mixed 21.1
1,564% 21 MB/s
DQ Read 24.9
DQ Write 37.5
DQ Mixed 28.1
2,324% 30.2 MB/s
110GB free, PID a001
Operating at USB 3.0 Speed
SusWrite @10s intervals: 87 104 107 57 57 57 MB/s
102% Outstanding
Read 156
Write 104
Mixed 119
SusWrite 78
147% 114 MB/s
4K Read 13.4
4K Write 19.4
4K Mixed 9.4
1,029% 14.1 MB/s
DQ Read 16.6
DQ Write 29.7
DQ Mixed 12.2
1,487% 19.5 MB/s
66GB free, PID a001
Operating at USB 3.0 Speed
SusWrite @10s intervals: 48 55 56 55 55 54 MB/s
23.8% Poor
Read 57.3
Write 56.8
Mixed 34.2
SusWrite 53.7
68% 50.5 MB/s
4K Read 0.5
4K Write 1.2
4K Mixed 0.7
66% 0.8 MB/s
105GB free, PID a001
Operating at USB 3.0 Speed
SusWrite @10s intervals: 47 45 47 47 45 46 MB/s
22.7% Poor
Read 57.2
Write 53.5
Mixed 37.9
SusWrite 45.9
65% 48.6 MB/s
4K Read 0.4
4K Write 1.4
4K Mixed 0.6
70% 0.8 MB/s
62GB free, PID a001
Operating at USB 2.1 Speed
SusWrite @10s intervals: 25 25 25 25 25 25 MB/s
15.1% Very poor
Read 29.3
Write 26.5
Mixed 24.8
SusWrite 25.2
36% 26.5 MB/s
4K Read 0.6
4K Write 1.7
4K Mixed 0.8
87% 1.03 MB/s
49GB free, PID a001
Operating at USB 2.1 Speed
SusWrite @10s intervals: 25 26 26 26 26 26 MB/s
13.7% Very poor
Read 33.3
Write 25.7
Mixed 17.8
SusWrite 26
34% 25.7 MB/s
4K Read 0.4
4K Write 1
4K Mixed 0.6
56% 0.67 MB/s
61 MORE »
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