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YOUR USB

Seagate (ExtHD)

M3 Portable 4TB

▲ 501 ▼

Release date ≈ Q3 2016.

Average Bench: 39.2% (44th of 639)

Based on 578 user benchmarks.  Device: VID 0bc2 PID 61b7 Model: Seagate M3 Portable
Poor: 16%Average: 39.2% Great: 56%

Poor average bench

The Seagate M3 Portable 4TB averaged 60.7% 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 4.14MB/s
Avg. Sustained Write Speed 80.5MB/s

Above average consistency

The range of scores (95th - 5th percentile) for the Seagate M3 Portable 4TB is 39.3%. This is a relatively wide range which indicates that the Seagate M3 Portable 4TB performs inconsistently under varying real world conditions.

Weaknesses

Avg. 4K Random Read Speed 0.9MB/s
Avg. Sequential Read Speed 60.5MB/s
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Average Bench

(Based on 578 samples)
Rank 4439.2%
Min Avg Max
20.3 Read 60.5 104
20.3 Write 77.3 121
21 Mixed 53.3 74.3
19.3 SusWrite 80.5 128
94.9% 67.9 MB/s
Min Avg Max
0.4 4K Read 0.9 1.3
2.5 4K Write 4.14 5.1
0.4 4K Mixed 0.56 0.8
163% 1.87 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest USB (mainstream) averages a speed of 100%
2TB free, PID 61b7
Operating at USB 3.0 Speed
SusWrite @10s intervals: 108 108 110 105 105 109 MB/s
50.4% Above average
Read 81.7
Write 99.5
Mixed 64.5
SusWrite 107
123% 88.3 MB/s
4K Read 0.3
4K Write 4.9
4K Mixed 0.6
188% 1.93 MB/s
2TB free, PID 61b7
Operating at USB 3.0 Speed
SusWrite @10s intervals: 103 103 101 102 103 102 MB/s
48.8% Average
Read 84
Write 84
Mixed 62.4
SusWrite 102
114% 83.1 MB/s
4K Read 0.9
4K Write 4.6
4K Mixed 0.5
177% 2 MB/s
651GB free, PID 61b7
SusWrite @10s intervals: 101 113 110 73 111 116 MB/s
44.7% Average
Read 55.5
Write 80.2
Mixed 53.2
SusWrite 104
105% 73.2 MB/s
4K Read 0.6
4K Write 4.5
4K Mixed 0.6
176% 1.9 MB/s
35GB free, PID 61b7
Operating at USB 3.0 Speed
SusWrite @10s intervals: 94 92 94 94 94 95 MB/s
42.7% Average
Read 50.8
Write 63.7
Mixed 58.5
SusWrite 93.7
95% 66.7 MB/s
4K Read 0.5
4K Write 4.8
4K Mixed 0.4
179% 1.9 MB/s
757GB free, PID 61b7
Operating at USB 3.0 Speed
SusWrite @10s intervals: 85 85 84 84 84 84 MB/s
41.4% Average
Read 64.7
Write 86.2
Mixed 73.8
SusWrite 84.2
109% 77.2 MB/s
4K Read 1.7
4K Write 4.3
4K Mixed 0.5
170% 2.17 MB/s
3TB free, PID 61b7
Operating at USB 3.0 Speed
SusWrite @10s intervals: 82 92 94 94 94 93 MB/s
40.2% Average
Read 74.8
Write 91.3
Mixed 54
SusWrite 91.5
108% 77.9 MB/s
4K Read 0.6
4K Write 3
4K Mixed 0.5
121% 1.37 MB/s
742GB free, PID 61b7
Operating at USB 3.0 Speed
SusWrite @10s intervals: 51 53 53 54 55 56 MB/s
36.9% Below average
Read 71
Write 103
Mixed 63
SusWrite 53.6
100% 72.7 MB/s
4K Read 0.9
4K Write 4.8
4K Mixed 0.8
194% 2.17 MB/s
3.5TB free, PID 61b7
Operating at USB 3.0 Speed
SusWrite @10s intervals: 124 133 77 88 113 103 MB/s
36.6% Below average
Read 35.1
Write 75.1
Mixed 47.6
SusWrite 106
98% 65.9 MB/s
4K Read 0.3
4K Write 2.7
4K Mixed 0.5
110% 1.17 MB/s
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 Comments

Added n/a ago.
mazinga
Avatar level
56

Good

5 years ago.

It does the job

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Ready to retire
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