TEST
YOUR USB

Seagate (ExtHD)

USB 3.0 Cable 256GB

▲ 500 ▼

Release date ≈ Q4 2014.

Average Bench: 107% (5th of 639)

Based on 37 user benchmarks.  Device: VID 0bc2 PID 5030 Model: Seagate USB 3.0 Cable
Poor: 26%Average: 107% Great: 169%

Outstanding average bench

The Seagate USB 3.0 Cable 256GB averaged 6.8% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the Seagate USB 3.0 Cable 256GB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Write Speed 28.3MB/s
Avg. 4K Random Write Speed 18.6MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the Seagate USB 3.0 Cable 256GB is 143%. This is a particularly wide range which indicates that the Seagate USB 3.0 Cable 256GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sequential Read Speed 142MB/s
Avg. 4K Random Read Speed 13.3MB/s
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Average Bench

(Based on 37 samples)
Rank 5107%
Min Avg Max
26.9 Read 142 250
15.6 Write 127 239
19 Mixed 120 246
24.2 SusWrite 120 239
171% 127 MB/s
Min Avg Max
3.88 4K Read 13.3 19.7
4.11 4K Write 18.6 36.5
2.66 4K Mixed 11 21.9
1,057% 14.3 MB/s
Min Avg Max
10.2 DQ Read 17.1 21.5
7.5 DQ Write 28.3 44.8
5.24 DQ Mixed 14.9 25.8
1,532% 20.1 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest USB (mainstream) averages a speed of 100%
108GB free, PID 5030
Operating at USB 3.0 Speed
SusWrite @10s intervals: 238 239 239 239 239 240 MB/s
169% Outstanding
Read 229
Write 221
Mixed 164
SusWrite 239
289% 213 MB/s
4K Read 16.7
4K Write 25.8
4K Mixed 18.2
1,558% 20.2 MB/s
DQ Read 19.2
DQ Write 38.4
DQ Mixed 22.1
2,129% 26.6 MB/s
77GB free, PID 5030
Operating at USB 3.0 Speed
SusWrite @10s intervals: 226 205 184 188 189 184 MB/s
161% Outstanding
Read 246
Write 237
Mixed 229
SusWrite 196
307% 227 MB/s
4K Read 19.2
4K Write 25.5
4K Mixed 20.8
1,646% 21.8 MB/s
DQ Read 21
DQ Write 34.8
DQ Mixed 24.9
2,108% 26.9 MB/s
211GB free, PID 5030
Operating at USB 3.0 Speed
SusWrite @10s intervals: 192 229 232 228 201 234 MB/s
159% Outstanding
Read 210
Write 166
Mixed 210
SusWrite 219
274% 201 MB/s
4K Read 17.7
4K Write 24.9
4K Mixed 19.1
1,562% 20.6 MB/s
DQ Read 20.5
DQ Write 38.4
DQ Mixed 25.1
2,236% 28 MB/s
25GB free, PID 5030
Operating at USB 2.1 Speed
SusWrite @10s intervals: 38 38 38 39 39 39 MB/s
47% Average
Read 54.7
Write 36.2
Mixed 38
SusWrite 38.4
54% 41.8 MB/s
4K Read 12.9
4K Write 9
4K Mixed 10.8
721% 10.9 MB/s
DQ Read 11
DQ Write 15.2
DQ Mixed 11.7
956% 12.6 MB/s
40GB free, PID 5030
Operating at USB 2.1 Speed
SusWrite @10s intervals: 38 35 36 37 37 37 MB/s
40.5% Average
Read 54.8
Write 35.4
Mixed 37.5
SusWrite 36.7
53% 41.1 MB/s
4K Read 12.7
4K Write 7
4K Mixed 8.9
588% 9.53 MB/s
37 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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