TEST
YOUR USB

iODD (ExtHD)

External HDD 256GB

▲ 500 ▼

Release date ≈ Q1 2016.

Average Bench: 125% (3rd of 639)

Based on 27 user benchmarks.  Device: VID 04c5 PID 2028 Model: iODD External HDD
Poor: 34%Average: 125% Great: 179%

Outstanding average bench

The iODD External HDD 256GB averaged 25.0% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the iODD External HDD 256GB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Write Speed 28.8MB/s
Avg. 4K Random Write Speed 20.9MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the iODD External HDD 256GB is 146%. This is a particularly wide range which indicates that the iODD External HDD 256GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sequential Read Speed 179MB/s
Avg. 4K Random Read Speed 14.1MB/s
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Average Bench

(Based on 27 samples)
Rank 3125%
Min Avg Max
6.7 Read 179 259
7.8 Write 167 246
7.7 Mixed 155 246
4.7 SusWrite 127 241
210% 157 MB/s
Min Avg Max
0.4 4K Read 14.1 20.7
0.1 4K Write 20.9 36.4
0.1 4K Mixed 10.9 21.8
1,132% 15.3 MB/s
Min Avg Max
12.4 DQ Read 16.6 21.6
17.2 DQ Write 28.8 40.4
0.6 DQ Mixed 13.8 23.8
1,511% 19.7 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest USB (mainstream) averages a speed of 100%
53GB free, PID 2028
Operating at USB 3.0 Speed
SusWrite @10s intervals: 246 241 69 47 53 36 MB/s
179% Outstanding
Read 259
Write 242
Mixed 235
SusWrite 115
281% 213 MB/s
4K Read 20.6
4K Write 36.4
4K Mixed 7.7
1,576% 21.6 MB/s
DQ Read 18.5
DQ Write 19.4
DQ Mixed 0.6
749% 12.8 MB/s
131GB free, PID 2028
Operating at USB 3.0 Speed
SusWrite @10s intervals: 193 206 223 230 230 231 MB/s
172% Outstanding
Read 238
Write 226
Mixed 220
SusWrite 219
307% 226 MB/s
4K Read 17.2
4K Write 28
4K Mixed 10.7
1,380% 18.6 MB/s
DQ Read 19.2
DQ Write 40.4
DQ Mixed 14
1,922% 24.5 MB/s
131GB free, PID 2028
Operating at USB 3.0 Speed
SusWrite @10s intervals: 167 175 177 193 135 170 MB/s
94.7% Outstanding
Read 184
Write 172
Mixed 174
SusWrite 170
238% 175 MB/s
4K Read 7.9
4K Write 9.5
4K Mixed 6.2
563% 7.87 MB/s
DQ Read 13.1
DQ Write 19.4
DQ Mixed 9.7
1,038% 14.1 MB/s
75GB free, PID 2028
Operating at USB 3.0 Speed
SusWrite @10s intervals: 204 132 64 50 57 56 MB/s
87.3% Excellent
Read 237
Write 211
Mixed 18
SusWrite 93.8
169% 140 MB/s
4K Read 16.2
4K Write 9.3
4K Mixed 9.9
713% 11.8 MB/s
DQ Read 24.6
DQ Write 55
DQ Mixed 19.2
2,615% 32.9 MB/s
27 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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