TEST
YOUR USB

USB (ExtHD)

3.0 Drobo S - Gen 2 17.5TB

▲ 500 ▼

Release date ≈ Q1 2015.

Average Bench: 34.6% (59th of 639)

Based on 107 user benchmarks.  Device: VID 1a62 PID 000a Model: USB 3.0 Drobo S - Gen 2
Poor: 15%Average: 34.6% Great: 57%

Poor average bench

The USB 3.0 Drobo S - Gen 2 17.5TB averaged 65.3% 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. 4K Random Write Speed 2.57MB/s
Avg. Sustained Write Speed 65.8MB/s

Average consistency

The range of scores (95th - 5th percentile) for the USB 3.0 Drobo S - Gen 2 17.5TB is 41.7%. This is a relatively wide range which indicates that the USB 3.0 Drobo S - Gen 2 17.5TB performs inconsistently under varying real world conditions.

Weaknesses

Avg. 4K Random Mixed IO Speed 0.14MB/s
Avg. 4K Random Read Speed 1.28MB/s
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Average Bench

(Based on 107 samples)
Rank 5934.6%
Min Avg Max
26 Read 87.1 144
13.5 Write 65.4 120
16.9 Mixed 51.3 106
23.5 SusWrite 65.8 124
87.8% 67.4 MB/s
Min Avg Max
0.19 4K Read 1.28 2.5
0.41 4K Write 2.57 4.1
0 4K Mixed 0.14 0.56
97% 1.33 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest USB (mainstream) averages a speed of 100%
14.5TB free, PID 000a
Operating at USB 3.0 Speed
SusWrite @10s intervals: 122 121 119 119 121 113 MB/s
54.9% Above average
Read 134
Write 114
Mixed 66
SusWrite 119
142% 108 MB/s
4K Read 2.5
4K Write 2.9
4K Mixed 0.1
111% 1.83 MB/s
15.5TB free, PID 000a
Operating at USB 3.0 Speed
SusWrite @10s intervals: 66 69 66 65 66 63 MB/s
36.2% Below average
Read 107
Write 81.5
Mixed 58.3
SusWrite 65.8
100% 78.2 MB/s
4K Read 2.2
4K Write 1.9
4K Mixed 0.4
86% 1.5 MB/s
13.5TB free, PID 000a
Operating at USB 3.0 Speed
SusWrite @10s intervals: 29 66 47 51 44 39 MB/s
33.8% Below average
Read 71.8
Write 11.2
Mixed 56.5
SusWrite 46.1
58% 46.4 MB/s
4K Read 3.3
4K Write 4.1
4K Mixed 0.1
155% 2.5 MB/s
4TB free, PID 000a
Operating at USB 3.0 Speed
SusWrite @10s intervals: 66 72 60 78 78 81 MB/s
29.3% Poor
Read 54
Write 71.1
Mixed 49.6
SusWrite 72.4
87% 61.8 MB/s
4K Read 0.7
4K Write 1.8
4K Mixed 0.6
84% 1.03 MB/s
12TB free, PID 000a
Operating at USB 2.1 Speed
SusWrite @10s intervals: 37 38 39 38 38 38 MB/s
26.2% Poor
Read 33.9
Write 32.2
Mixed 24.8
SusWrite 38
44% 32.2 MB/s
4K Read 1.9
4K Write 4.1
4K Mixed 0.1
150% 2.03 MB/s
7TB free, PID 000a
Operating at USB 2.1 Speed
SusWrite @10s intervals: 24 24 22 23 26 26 MB/s
16.7% Very poor
Read 27.6
Write 14.5
Mixed 26.1
SusWrite 24.3
31% 23.1 MB/s
4K Read 1.2
4K Write 2.3
4K Mixed 0.3
93% 1.27 MB/s
2.5TB free, PID 000a
Operating at USB 3.0 Speed
SusWrite @10s intervals: 33 32 27 25 18 30 MB/s
8.73% Terrible
Read 14.3
Write 11
Mixed 17.3
SusWrite 27.5
25% 17.5 MB/s
4K Read 0.2
4K Write 0.2
4K Mixed 0.2
14% 0.2 MB/s
107 MORE »
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