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Seagate (ExtHD)

Expansion Desk 4TB

▲ 500 ▼

Release date ≈ Q2 2014.

Average Bench: 41.1% (40th of 639)

Based on 507 user benchmarks.  Device: VID 0bc2 PID 3312 Model: Seagate Expansion Desk
Poor: 11%Average: 41.1% Great: 64%

Below average average bench

The Seagate Expansion Desk 4TB averaged 58.9% 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 96.3MB/s
Avg. 4K Random Write Speed 1.38MB/s

Below average consistency

The range of scores (95th - 5th percentile) for the Seagate Expansion Desk 4TB is 52.6%. This is a relatively wide range which indicates that the Seagate Expansion Desk 4TB performs inconsistently under varying real world conditions.

Weaknesses

Avg. 4K Random Read Speed 0.67MB/s
Avg. Sequential Read Speed 108MB/s

Average Bench

(Based on 507 samples)
Rank 4041.1%
Min Avg Max
27.5 Read 108 168
21.8 Write 86.2 140
21.3 Mixed 56.6 77.5
12.8 SusWrite 96.3 160
114% 86.8 MB/s
Min Avg Max
0.5 4K Read 0.67 0.8
0.8 4K Write 1.38 1.8
0.6 4K Mixed 0.71 0.8
73.8% 0.92 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest USB (mainstream) averages a speed of 100%
2.5TB free, PID 3312
Operating at USB 3.0 Speed
SusWrite @10s intervals: 158 158 160 161 160 160 MB/s
63.8% Good
Read 164
Write 138
Mixed 77.6
SusWrite 159
178% 135 MB/s
4K Read 0.7
4K Write 1.7
4K Mixed 0.7
84% 1.03 MB/s
1.5TB free, PID 3312
SusWrite @10s intervals: 124 158 160 161 159 160 MB/s
60.8% Good
Read 149
Write 110
Mixed 59.7
SusWrite 154
155% 118 MB/s
4K Read 0.6
4K Write 1.8
4K Mixed 0.8
91% 1.07 MB/s
1.5TB free, PID 3312
SusWrite @10s intervals: 128 134 136 139 145 147 MB/s
57.8% Above average
Read 154
Write 139
Mixed 63.7
SusWrite 138
162% 124 MB/s
4K Read 0.6
4K Write 1.7
4K Mixed 0.8
87% 1.03 MB/s
1.5TB free, PID 3312
Operating at USB 3.0 Speed
SusWrite @10s intervals: 102 94 90 87 69 91 MB/s
49.3% Average
Read 170
Write 136
Mixed 75.3
SusWrite 88.7
148% 117 MB/s
4K Read 0.6
4K Write 1.7
4K Mixed 0.7
84% 1 MB/s
574GB free, PID 3312
Operating at USB 3.0 Speed
SusWrite @10s intervals: 96 95 95 95 95 96 MB/s
43.8% Average
Read 124
Write 103
Mixed 73.7
SusWrite 95.4
130% 99 MB/s
4K Read 0.6
4K Write 1.6
4K Mixed 0.7
80% 0.97 MB/s
401GB free, PID 3312
Operating at USB 3.0 Speed
SusWrite @10s intervals: 53 54 54 54 55 56 MB/s
35.3% Below average
Read 139
Write 110
Mixed 73.2
SusWrite 54.3
118% 94.1 MB/s
4K Read 0.7
4K Write 1
4K Mixed 0.8
64% 0.83 MB/s
878GB free, PID 3312
Operating at USB 2.1 Speed
SusWrite @10s intervals: 36 36 36 36 36 37 MB/s
18% Very poor
Read 54.1
Write 31.4
Mixed 30.5
SusWrite 36.2
48% 38 MB/s
4K Read 1.6
4K Write 0.6
4K Mixed 0.8
54% 1 MB/s
507 MORE »
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