TEST
YOUR USB

TOSHIBA (ExtHD)

EXTERNAL_USB 4TB

▲ 500 ▼

Release date ≈ Q1 2021.

Average Bench: 42.1% (36th of 639)

Based on 192 user benchmarks.  Device: VID 0480 PID b300 Model: TOSHIBA EXTERNAL_USB
Poor: 18%Average: 42.1% Great: 54%

Below average average bench

The TOSHIBA EXTERNAL_USB 4TB averaged 57.9% 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. Sequential Write Speed 114MB/s
Avg. Sustained Write Speed 97.4MB/s

Above average consistency

The range of scores (95th - 5th percentile) for the TOSHIBA EXTERNAL_USB 4TB is 35.8%. This is a relatively wide range which indicates that the TOSHIBA EXTERNAL_USB 4TB performs inconsistently under varying real world conditions.

Weaknesses

Avg. 4K Random Read Speed 1MB/s
Avg. Sequential Mixed IO Speed 22.1MB/s
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Average Bench

(Based on 192 samples)
Rank 3642.1%
Min Avg Max
32.2 Read 117 149
27.5 Write 114 150
14.6 Mixed 22.1 44.9
32.9 SusWrite 97.4 136
113% 87.8 MB/s
Min Avg Max
0.4 4K Read 1 1.6
0.4 4K Write 1.18 5.43
0.2 4K Mixed 0.46 0.7
59.6% 0.88 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest USB (mainstream) averages a speed of 100%
3.5TB free, PID b300
Operating at USB 3.0 Speed
SusWrite @10s intervals: 129 132 139 139 131 134 MB/s
49.3% Average
Read 126
Write 88.6
Mixed 19.2
SusWrite 134
118% 92.1 MB/s
4K Read 0.8
4K Write 0.5
4K Mixed 0.5
37% 0.6 MB/s
2TB free, PID b300
Operating at USB 3.0 Speed
SusWrite @10s intervals: 115 112 114 114 114 114 MB/s
47.2% Average
Read 142
Write 142
Mixed 19.2
SusWrite 114
134% 104 MB/s
4K Read 0.8
4K Write 0.5
4K Mixed 0.5
37% 0.6 MB/s
120GB free, PID b300
Operating at USB 3.0 Speed
SusWrite @10s intervals: 69 65 66 64 66 66 MB/s
35.4% Below average
Read 133
Write 106
Mixed 19.9
SusWrite 66
99% 81.2 MB/s
4K Read 0.8
4K Write 0.5
4K Mixed 0.4
34% 0.57 MB/s
2TB free, PID b300
Operating at USB 2.1 Speed
SusWrite @10s intervals: 37 38 38 38 38 38 MB/s
16.9% Very poor
Read 51
Write 37.6
Mixed 15.2
SusWrite 38.1
45% 35.5 MB/s
4K Read 1.3
4K Write 0.3
4K Mixed 0.7
39% 0.77 MB/s
192 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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