TEST
YOUR USB

TOSHIBA (ExtHD)

DT01ACA300 3TB

▲ 500 ▼

Release date ≈ Q2 2014.

Average Bench: 42.3% (36th of 639)

Based on 79 user benchmarks.  Device: VID 18a5 PID 0400 Model: TOSHIBA DT01ACA300
Poor: 14%Average: 42.3% Great: 63%

Below average average bench

The TOSHIBA DT01ACA300 3TB averaged 57.6% 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 107MB/s
Avg. Sequential Write Speed 99.7MB/s

Average consistency

The range of scores (95th - 5th percentile) for the TOSHIBA DT01ACA300 3TB is 49.6%. This is a relatively wide range which indicates that the TOSHIBA DT01ACA300 3TB performs inconsistently under varying real world conditions.

Weaknesses

Avg. 4K Random Read Speed 0.92MB/s
Avg. 4K Random Mixed IO Speed 0.44MB/s
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Average Bench

(Based on 79 samples)
Rank 3642.3%
Min Avg Max
25.9 Read 107 181
21.5 Write 99.7 159
9.81 Mixed 38.4 92.2
25.9 SusWrite 107 178
116% 88 MB/s
Min Avg Max
0.5 4K Read 0.92 1.2
0.53 4K Write 1.46 2.3
0.16 4K Mixed 0.44 0.7
68.1% 0.94 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest USB (mainstream) averages a speed of 100%
2.5TB free, PID 0400
Operating at USB 3.0 Speed
SusWrite @10s intervals: 187 185 186 186 186 185 MB/s
76.1% Very good
Read 194
Write 181
Mixed 35.6
SusWrite 186
194% 149 MB/s
4K Read 1.2
4K Write 2.3
4K Mixed 0.6
103% 1.37 MB/s
2.5TB free, PID 0400
Operating at USB 3.0 Speed
SusWrite @10s intervals: 180 140 183 179 183 184 MB/s
70% Very good
Read 172
Write 180
Mixed 34.4
SusWrite 175
185% 140 MB/s
4K Read 1.1
4K Write 2.2
4K Mixed 0.6
99% 1.3 MB/s
2TB free, PID 0400
Operating at USB 3.0 Speed
SusWrite @10s intervals: 176 174 174 176 172 177 MB/s
69.9% Good
Read 170
Write 164
Mixed 38.9
SusWrite 175
180% 137 MB/s
4K Read 1.1
4K Write 2.2
4K Mixed 0.6
99% 1.3 MB/s
1.5TB free, PID 0400
Operating at USB 3.0 Speed
SusWrite @10s intervals: 152 145 152 151 152 153 MB/s
54% Above average
Read 132
Write 139
Mixed 21.6
SusWrite 151
147% 111 MB/s
4K Read 0.8
4K Write 0.6
4K Mixed 0.3
34% 0.57 MB/s
302GB free, PID 0400
Operating at USB 3.0 Speed
SusWrite @10s intervals: 108 113 113 113 114 113 MB/s
47.2% Average
Read 110
Write 100
Mixed 37.8
SusWrite 112
119% 90.1 MB/s
4K Read 1
4K Write 2.1
4K Mixed 0.6
96% 1.23 MB/s
493GB free, PID 0400
Operating at USB 3.0 Speed
SusWrite @10s intervals: 95 94 96 95 95 95 MB/s
45% Average
Read 153
Write 151
Mixed 28.8
SusWrite 94.8
136% 107 MB/s
4K Read 1.1
4K Write 0.6
4K Mixed 0.4
38% 0.7 MB/s
401GB free, PID 0400
Operating at USB 2.1 Speed
SusWrite @10s intervals: 38 38 38 38 38 38 MB/s
21.4% Poor
Read 51.5
Write 37.9
Mixed 35.8
SusWrite 38.1
54% 40.8 MB/s
4K Read 1.6
4K Write 1.7
4K Mixed 0.8
91% 1.37 MB/s
79 MORE »
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