TEST
YOUR USB

H/W (ExtHD)

RAID 5 18TB

▲ 500 ▼

Release date ≈ Q4 2015.

Average Bench: 57.8% (17th of 639)

Based on 42 user benchmarks.  Device: VID 152d PID 0567 Model: H/W RAID 5
Poor: 10%Average: 57.8% Great: 83%

Average average bench

The H/W RAID 5 18TB averaged 42.1% 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 169MB/s
Avg. Sequential Write Speed 117MB/s

Very poor consistency

The range of scores (95th - 5th percentile) for the H/W RAID 5 18TB is 73%. This is a particularly wide range which indicates that the H/W RAID 5 18TB performs inconsistently under varying real world conditions.

Weaknesses

Avg. 4K Random Write Speed 0.21MB/s
Avg. 4K Random Mixed IO Speed 0.23MB/s
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Average Bench

(Based on 42 samples)
Rank 1757.8%
Min Avg Max
11 Read 154 227
6.5 Write 117 212
6 Mixed 54.6 150
12.2 SusWrite 169 244
162% 124 MB/s
Min Avg Max
0 4K Read 5.74 26.5
0 4K Write 0.21 0.5
0 4K Mixed 0.23 0.6
36.5% 2.06 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest USB (mainstream) averages a speed of 100%
2.5TB free, PID 0567
Operating at USB 3.0 Speed
SusWrite @10s intervals: 235 224 220 224 231 223 MB/s
82.6% Excellent
Read 224
Write 191
Mixed 50.4
SusWrite 226
225% 173 MB/s
4K Read 0.9
4K Write 0.2
4K Mixed 0.3
20% 0.47 MB/s
3TB free, PID 0567
Operating at USB 3.0 Speed
SusWrite @10s intervals: 218 229 230 222 229 230 MB/s
79.3% Very good
Read 201
Write 180
Mixed 53.6
SusWrite 226
218% 165 MB/s
4K Read 0.9
4K Write 0.2
4K Mixed 0.3
20% 0.47 MB/s
2TB free, PID 0567
Operating at USB 3.0 Speed
SusWrite @10s intervals: 181 233 233 215 223 232 MB/s
69.8% Good
Read 143
Write 148
Mixed 44.1
SusWrite 220
189% 139 MB/s
4K Read 2.3
4K Write 0.2
4K Mixed 0.2
22% 0.9 MB/s
422GB free, PID 0567
Operating at USB 3.0 Speed
SusWrite @10s intervals: 197 108 75 101 94 186 MB/s
34.7% Below average
Read 42.2
Write 85.5
Mixed 18.8
SusWrite 127
100% 68.3 MB/s
4K Read 0.4
4K Write 0.3
4K Mixed 0.2
18% 0.3 MB/s
12.5TB free, PID 0567
Operating at USB 2.1 Speed
SusWrite @10s intervals: 9.3 13 13 12 12 14 MB/s
24.7% Poor
Read 108
Write 11.4
Mixed 17.2
SusWrite 12.3
34% 37.4 MB/s
4K Read 26.5
4K Write 0
4K Mixed 0
98% 8.83 MB/s
2TB free, PID 0567
SusWrite @10s intervals: 20 35 14 12 35 50 MB/s
9.05% Terrible
Read 18.5
Write 23.9
Mixed 19.9
SusWrite 27.7
32% 22.5 MB/s
4K Read 1.4
4K Write 0
4K Mixed 0.4
19% 0.6 MB/s
42 MORE »
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  • Fastest real world speed - Real World Speed measures performance for typical consumers.

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