TEST
YOUR USB

TOSHIBA (ExtHD)

External USB 3.0 256GB

▲ 5048 ▼

Release date ≈ Q2 2017.

Average Bench: 116% (3rd of 639)

Based on 88 user benchmarks.  Device: VID 0480 PID b202 Model: TOSHIBA External USB 3.0
Poor: 25%Average: 116% Great: 282%

Outstanding average bench

The TOSHIBA External USB 3.0 256GB averaged 15.7% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the TOSHIBA External USB 3.0 256GB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Write Speed 44.2MB/s
Avg. 4K Random Write Speed 21.9MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the TOSHIBA External USB 3.0 256GB is 258%. This is a particularly wide range which indicates that the TOSHIBA External USB 3.0 256GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sequential Read Speed 134MB/s
Avg. 4K Random Read Speed 12.8MB/s
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Average Bench

(Based on 88 samples)
Rank 3116%
Min Avg Max
22.7 Read 134 316
22.3 Write 121 315
22.5 Mixed 122 316
17.4 SusWrite 177 265
191% 139 MB/s
Min Avg Max
4.51 4K Read 12.8 23.2
3.74 4K Write 21.9 56.2
2.7 4K Mixed 10.4 22.7
1,144% 15 MB/s
Min Avg Max
9.23 DQ Read 23.3 28.6
10.7 DQ Write 44.2 74.1
6.41 DQ Mixed 17.8 43.4
2,197% 28.5 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest USB (mainstream) averages a speed of 100%
114GB free, PID b202
Operating at USB 3.0 Speed
SusWrite @10s intervals: 264 262 278 258 264 261 MB/s
292% Outstanding
Read 266
Write 265
Mixed 255
SusWrite 264
360% 263 MB/s
4K Read 17.7
4K Write 62.4
4K Mixed 29.1
3,178% 36.4 MB/s
DQ Read 28.7
DQ Write 74.4
DQ Mixed 42.9
4,096% 48.7 MB/s
122GB free, PID b202
Operating at USB 3.0 Speed
SusWrite @10s intervals: 264 263 285 262 263 250 MB/s
281% Outstanding
Read 238
Write 252
Mixed 254
SusWrite 265
349% 252 MB/s
4K Read 19.2
4K Write 60
4K Mixed 28
3,064% 35.7 MB/s
DQ Read 28.6
DQ Write 73.8
DQ Mixed 43.9
4,109% 48.8 MB/s
108GB free, PID b202
Operating at USB 3.0 Speed
SusWrite @10s intervals: 241 228 272 269 262 270 MB/s
211% Outstanding
Read 284
Write 258
Mixed 267
SusWrite 257
362% 267 MB/s
4K Read 21.8
4K Write 35.4
4K Mixed 26.3
2,180% 27.8 MB/s
DQ Read 18.3
DQ Write 43.6
DQ Mixed 30.4
2,585% 30.8 MB/s
143GB free, PID b202
Operating at USB 3.0 Speed
SusWrite @10s intervals: 78 78 79 78 80 82 MB/s
181% Outstanding
Read 236
Write 215
Mixed 174
SusWrite 79.1
227% 176 MB/s
4K Read 19.3
4K Write 40.6
4K Mixed 24.5
2,286% 28.1 MB/s
DQ Read 153
DQ Write 139
DQ Mixed 100
8,719% 131 MB/s
136GB free, PID b202
Operating at USB 2.1 Speed
SusWrite @10s intervals: 17 17 18 18 17 18 MB/s
27.7% Poor
Read 31.7
Write 25.2
Mixed 27.8
SusWrite 17.4
34% 25.5 MB/s
4K Read 6.2
4K Write 5.8
4K Mixed 6.3
435% 6.1 MB/s
88 MORE »
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  • Fastest real world speed - Real World Speed measures performance for typical consumers.

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