TEST
YOUR USB

ioSafe (ExtHD)

G3 2TB

▲ 500 ▼

Release date ≈ Q1 2016.

Average Bench: 49.7% (22nd of 639)

Based on 50 user benchmarks.  Device: VID 174c PID 55aa Model: ioSafe G3
Poor: 15%Average: 49.7% Great: 69%

Below average average bench

The ioSafe G3 2TB averaged 50.2% 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 2.09MB/s
Avg. Sustained Write Speed 122MB/s

Below average consistency

The range of scores (95th - 5th percentile) for the ioSafe G3 2TB is 53.4%. This is a relatively wide range which indicates that the ioSafe G3 2TB performs inconsistently under varying real world conditions.

Weaknesses

Avg. 4K Random Read Speed 0.94MB/s
Avg. 4K Random Mixed IO Speed 0.65MB/s
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Average Bench

(Based on 50 samples)
Rank 2249.7%
Min Avg Max
23 Read 118 200
22.7 Write 116 195
15.2 Mixed 59.7 127
16.5 SusWrite 122 201
139% 104 MB/s
Min Avg Max
0.6 4K Read 0.94 1.1
0.37 4K Write 2.09 2.7
0.18 4K Mixed 0.65 1
96.6% 1.23 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest USB (mainstream) averages a speed of 100%
1.5TB free, PID 55aa
Operating at USB 3.0 Speed
SusWrite @10s intervals: 120 188 188 188 191 171 MB/s
65.2% Good
Read 173
Write 163
Mixed 32.5
SusWrite 174
177% 136 MB/s
4K Read 1.1
4K Write 0.6
4K Mixed 0.3
35% 0.67 MB/s
907GB free, PID 55aa
Operating at USB 3.0 Speed
SusWrite @10s intervals: 156 163 164 157 164 164 MB/s
59.5% Above average
Read 153
Write 134
Mixed 27.8
SusWrite 161
155% 119 MB/s
4K Read 1
4K Write 0.6
4K Mixed 0.3
34% 0.63 MB/s
1.5TB free, PID 55aa
Operating at USB 3.0 Speed
SusWrite @10s intervals: 117 116 116 123 122 125 MB/s
43.6% Average
Read 72.5
Write 101
Mixed 50.7
SusWrite 120
121% 86 MB/s
4K Read 0.9
4K Write 2.2
4K Mixed 0.5
95% 1.2 MB/s
50 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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