TEST
YOUR USB

Seagate (ExtHD)

Expansion Desk 3TB

▲ 500 ▼

Release date ≤ Q4 2013.

Average Bench: 49.8% (22nd of 639)

Based on 1,524 user benchmarks.  Device: VID 0bc2 PID 3320 Model: Seagate Expansion Desk
Poor: 13%Average: 49.8% Great: 74%

Below average average bench

The Seagate Expansion Desk 3TB 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 2.31MB/s
Avg. Sustained Write Speed 118MB/s

Poor consistency

The range of scores (95th - 5th percentile) for the Seagate Expansion Desk 3TB is 60.7%. 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 0.73MB/s
Avg. 4K Random Mixed IO Speed 0.72MB/s
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Average Bench

(Based on 1,524 samples)
Rank 2249.8%
Min Avg Max
28.5 Read 115 186
21.3 Write 99.6 158
23 Mixed 63.7 88.5
19.4 SusWrite 118 187
132% 99.2 MB/s
Min Avg Max
0.4 4K Read 0.73 1
0.8 4K Write 2.31 7.3
0.5 4K Mixed 0.72 0.9
106% 1.25 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest USB (mainstream) averages a speed of 100%
390GB free, PID 3320
Operating at USB 3.0 Speed
SusWrite @10s intervals: 186 178 190 200 202 199 MB/s
71.8% Very good
Read 180
Write 122
Mixed 73
SusWrite 192
186% 142 MB/s
4K Read 0.5
4K Write 1.2
4K Mixed 0.8
70% 0.83 MB/s
30GB free, PID 3320
Operating at USB 3.0 Speed
SusWrite @10s intervals: 105 93 94 95 95 97 MB/s
56% Above average
Read 74.9
Write 97.5
Mixed 50.4
SusWrite 96.6
111% 79.8 MB/s
4K Read 0.4
4K Write 7.8
4K Mixed 0.6
287% 2.93 MB/s
73GB free, PID 3320
Operating at USB 3.0 Speed
SusWrite @10s intervals: 117 115 124 124 126 128 MB/s
55.1% Above average
Read 169
Write 117
Mixed 88.7
SusWrite 122
160% 124 MB/s
4K Read 0.9
4K Write 1.2
4K Mixed 0.7
68% 0.93 MB/s
159GB free, PID 3320
Operating at USB 3.0 Speed
SusWrite @10s intervals: 147 171 116 119 143 164 MB/s
52.4% Above average
Read 121
Write 99.3
Mixed 66.7
SusWrite 143
144% 108 MB/s
4K Read 0.9
4K Write 1.1
4K Mixed 0.7
64% 0.9 MB/s
209GB free, PID 3320
Operating at USB 3.0 Speed
SusWrite @10s intervals: 90 68 87 87 71 85 MB/s
34.2% Below average
Read 95.5
Write 78.8
Mixed 70.2
SusWrite 81.4
108% 81.5 MB/s
4K Read 0.7
4K Write 0.8
4K Mixed 0.6
50% 0.7 MB/s
46GB free, PID 3320
Operating at USB 3.0 Speed
SusWrite @10s intervals: 40 25 29 18 0 MB/s
21.1% Poor
Read 89.7
Write 80.7
Mixed 76.7
SusWrite 25.1
88% 68 MB/s
4K Read 0.7
4K Write 0.8
4K Mixed 0.7
54% 0.73 MB/s
1,524 MORE »
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  • Fastest real world speed - Real World Speed measures performance for typical consumers.

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