TEST
YOUR USB

Seagate (ExtHD)

Expansion Desk 3TB

▲ 500 ▼

Release date ≈ Q2 2014.

Average Bench: 47.3% (26th of 639)

Based on 601 user benchmarks.  Device: VID 0bc2 PID 3312 Model: Seagate Expansion Desk
Poor: 12%Average: 47.3% Great: 77%

Below average average bench

The Seagate Expansion Desk 3TB averaged 52.7% 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 3.38MB/s
Avg. Sustained Write Speed 102MB/s

Poor consistency

The range of scores (95th - 5th percentile) for the Seagate Expansion Desk 3TB is 64.7%. This is a particularly wide range which indicates that the Seagate Expansion Desk 3TB performs inconsistently under varying real world conditions.

Weaknesses

Avg. 4K Random Read Speed 0.62MB/s
Avg. Sequential Read Speed 100MB/s
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Average Bench

(Based on 601 samples)
Rank 2647.3%
Min Avg Max
20.6 Read 100 185
20.5 Write 88.1 154
19.9 Mixed 54.7 82.2
16.3 SusWrite 102 185
115% 86.2 MB/s
Min Avg Max
0.3 4K Read 0.62 1
0.8 4K Write 3.38 7.5
0.4 4K Mixed 0.72 1
142% 1.58 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest USB (mainstream) averages a speed of 100%
136GB free, PID 3312
Operating at USB 3.0 Speed
SusWrite @10s intervals: 98 116 114 114 111 114 MB/s
60.9% Good
Read 97.3
Write 108
Mixed 63.4
SusWrite 111
130% 95.1 MB/s
4K Read 0.4
4K Write 7.3
4K Mixed 0.6
270% 2.77 MB/s
558GB free, PID 3312
Operating at USB 3.0 Speed
SusWrite @10s intervals: 121 130 128 129 130 130 MB/s
52.2% Above average
Read 143
Write 99.3
Mixed 71.3
SusWrite 128
144% 110 MB/s
4K Read 0.8
4K Write 1.1
4K Mixed 0.7
64% 0.87 MB/s
55GB free, PID 3312
Operating at USB 3.0 Speed
SusWrite @10s intervals: 48 46 43 55 73 69 MB/s
29.4% Poor
Read 63.9
Write 113
Mixed 42.7
SusWrite 55.7
96% 68.9 MB/s
4K Read 0.2
4K Write 2.6
4K Mixed 0.2
96% 1 MB/s
1.5TB free, PID 3312
Operating at USB 2.1 Speed
SusWrite @10s intervals: 39 40 39 41 40 39 MB/s
20.1% Poor
Read 56
Write 34.6
Mixed 31.7
SusWrite 39.8
52% 40.5 MB/s
4K Read 2.1
4K Write 0.9
4K Mixed 0.8
66% 1.27 MB/s
1.5TB free, PID 3312
Operating at USB 2.1 Speed
SusWrite @10s intervals: 23 23 23 23 23 23 MB/s
8.67% Terrible
Read 21.2
Write 22.9
Mixed 21.1
SusWrite 23.2
31% 22.1 MB/s
4K Read 2.3
4K Write 0
4K Mixed 0.7
32% 1 MB/s
601 MORE »
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  • Fastest real world speed - Real World Speed measures performance for typical consumers.

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