TEST
YOUR USB

H/W (ExtHD)

RAID 5 12TB

▲ 500 ▼

Release date ≈ Q2 2015.

Average Bench: 47.6% (26th of 639)

Based on 11 user benchmarks.  Device: VID 152d PID 0539 Model: H/W RAID 5
Poor: 9%Average: 47.6% Great: 82%

Below average average bench

The H/W RAID 5 12TB averaged 52.3% 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. Sustained Write Speed 154MB/s
Avg. Sequential Write Speed 101MB/s

Very poor consistency

The range of scores (95th - 5th percentile) for the H/W RAID 5 12TB is 73%. This is a particularly wide range which indicates that the H/W RAID 5 12TB performs inconsistently under varying real world conditions.

Weaknesses

Avg. 4K Random Mixed IO Speed 0.23MB/s
Avg. 4K Random Write Speed 0.43MB/s
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Average Bench

(Based on 11 samples)
Rank 2647.6%
Min Avg Max
17.5 Read 128 229
13 Write 101 222
13.5 Mixed 64.2 149
19.7 SusWrite 154 227
150% 112 MB/s
Min Avg Max
0.2 4K Read 3.97 15.1
0.1 4K Write 0.43 1
0.09 4K Mixed 0.23 0.7
37.1% 1.54 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest USB (mainstream) averages a speed of 100%
8TB free, PID 0539
Operating at USB 3.0 Speed
SusWrite @10s intervals: 191 214 211 201 217 216 MB/s
77.6% Very good
Read 197
Write 192
Mixed 64.1
SusWrite 208
219% 165 MB/s
4K Read 8.9
4K Write 0.5
4K Mixed 0.7
74% 3.37 MB/s
237GB free, PID 0539
Operating at USB 3.0 Speed
SusWrite @10s intervals: 177 177 182 177 174 185 MB/s
62.7% Good
Read 144
Write 114
Mixed 52.2
SusWrite 179
162% 122 MB/s
4K Read 1.6
4K Write 0.8
4K Mixed 0.3
43% 0.9 MB/s
4TB free, PID 0539
Operating at USB 3.0 Speed
SusWrite @10s intervals: 183 190 184 200 207 190 MB/s
60.4% Good
Read 124
Write 78
Mixed 42
SusWrite 192
146% 109 MB/s
4K Read 0.8
4K Write 0.1
4K Mixed 0.2
13% 0.37 MB/s
3TB free, PID 0539
Operating at USB 2.1 Speed
SusWrite @10s intervals: 31 35 33 39 41 40 MB/s
14.7% Very poor
Read 34.6
Write 38.1
Mixed 25.3
SusWrite 36.6
46% 33.7 MB/s
4K Read 4.5
4K Write 0.2
4K Mixed 0.2
30% 1.63 MB/s
7.5TB free, PID 0539
Operating at USB 3.0 Speed
SusWrite @10s intervals: 13 18 34 25 14 13 MB/s
7.19% Terrible
Read 17.5
Write 13
Mixed 13.5
SusWrite 19.7
22% 15.9 MB/s
4K Read 0.2
4K Write 0.1
4K Mixed 0.1
8% 0.13 MB/s
11 MORE »
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