TEST
YOUR USB

iODD (ExtHD)

External HDD 250GB

▲ 500 ▼

Release date ≈ Q1 2016.

Average Bench: 104% (5th of 639)

Based on 57 user benchmarks.  Device: VID 04c5 PID 2028 Model: iODD External HDD
Poor: 13%Average: 104% Great: 177%

Outstanding average bench

The iODD External HDD 250GB averaged 3.5% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the iODD External HDD 250GB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Write Speed 29.6MB/s
Avg. 4K-64Thread Mixed IO Speed 23.6MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the iODD External HDD 250GB is 164%. This is a particularly wide range which indicates that the iODD External HDD 250GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sequential Read Speed 145MB/s
Avg. 4K Random Read Speed 12.5MB/s
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Average Bench

(Based on 57 samples)
Rank 5104%
Min Avg Max
25.7 Read 145 254
23.6 Write 135 245
14 Mixed 131 242
25 SusWrite 149 247
191% 140 MB/s
Min Avg Max
0.47 4K Read 12.5 22.7
0.9 4K Write 16.3 31.2
0.28 4K Mixed 13.7 25.2
1,065% 14.1 MB/s
Min Avg Max
15.4 DQ Read 21 25.2
19.7 DQ Write 29.6 41.9
15.1 DQ Mixed 23.6 30.6
1,888% 24.7 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest USB (mainstream) averages a speed of 100%
170GB free, PID 2028
Operating at USB 3.0 Speed
SusWrite @10s intervals: 243 244 243 241 249 249 MB/s
170% Outstanding
Read 218
Write 205
Mixed 208
SusWrite 245
301% 219 MB/s
4K Read 23.9
4K Write 26
4K Mixed 24.4
1,803% 24.8 MB/s
DQ Read 24.8
DQ Write 26.1
DQ Mixed 25.2
1,837% 25.4 MB/s
142GB free, PID 2028
Operating at USB 3.0 Speed
SusWrite @10s intervals: 238 237 237 237 236 238 MB/s
170% Outstanding
Read 233
Write 167
Mixed 228
SusWrite 237
293% 216 MB/s
4K Read 18.6
4K Write 26
4K Mixed 21.6
1,688% 22.1 MB/s
DQ Read 19.8
DQ Write 32
DQ Mixed 25.6
2,033% 25.8 MB/s
215GB free, PID 2028
Operating at USB 3.0 Speed
SusWrite @10s intervals: 238 244 244 243 246 245 MB/s
167% Outstanding
Read 201
Write 196
Mixed 194
SusWrite 244
288% 209 MB/s
4K Read 22.5
4K Write 25.9
4K Mixed 23.9
1,777% 24.1 MB/s
DQ Read 23.6
DQ Write 26.9
DQ Mixed 25.1
1,856% 25.2 MB/s
215GB free, PID 2028
Operating at USB 3.0 Speed
SusWrite @10s intervals: 222 234 236 222 221 219 MB/s
165% Outstanding
Read 212
Write 204
Mixed 203
SusWrite 226
290% 211 MB/s
4K Read 21.8
4K Write 25.9
4K Mixed 23.7
1,768% 23.8 MB/s
DQ Read 23.3
DQ Write 27.1
DQ Mixed 24.8
1,852% 25.1 MB/s
72GB free, PID 2028
Operating at USB 3.0 Speed
SusWrite @10s intervals: 241 167 102 102 80 71 MB/s
146% Outstanding
Read 240
Write 243
Mixed 235
SusWrite 127
283% 211 MB/s
4K Read 19.5
4K Write 25.7
4K Mixed 22.1
1,698% 22.4 MB/s
DQ Read 21.2
DQ Write 38.1
DQ Mixed 26.9
2,290% 28.7 MB/s
135GB free, PID 2028
Operating at USB 3.0 Speed
SusWrite @10s intervals: 248 91 49 30 29 29 MB/s
133% Outstanding
Read 214
Write 212
Mixed 212
SusWrite 79.2
238% 179 MB/s
4K Read 20.1
4K Write 26
4K Mixed 22.6
1,728% 22.9 MB/s
DQ Read 21.3
DQ Write 26
DQ Mixed 23.3
1,756% 23.5 MB/s
98GB free, PID 2028
Operating at USB 3.0 Speed
SusWrite @10s intervals: 229 224 219 223 208 170 MB/s
133% Outstanding
Read 246
Write 240
Mixed 237
SusWrite 212
318% 234 MB/s
4K Read 13.3
4K Write 15.5
4K Mixed 20.8
1,284% 16.5 MB/s
DQ Read 24.2
DQ Write 38.7
DQ Mixed 29.2
2,399% 30.7 MB/s
24GB free, PID 2028
Operating at USB 2.1 Speed
SusWrite @10s intervals: 39 39 39 39 39 39 MB/s
64.8% Good
Read 37.4
Write 39.1
Mixed 38
SusWrite 39
53% 38.4 MB/s
4K Read 12.5
4K Write 15.6
4K Mixed 13.6
1,040% 13.9 MB/s
DQ Read 14.6
DQ Write 19.6
DQ Mixed 15.9
1,262% 16.7 MB/s
57 MORE »
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