TEST
YOUR USB

Seagate (ExtHD)

M3 Portable 1TB

▲ 500 ▼

Release date ≈ Q3 2016.

Average Bench: 29.2% (110th of 639)

Based on 694 user benchmarks.  Device: VID 0bc2 PID 61b6 Model: Seagate M3 Portable
Poor: 11%Average: 29.2% Great: 51%

Very poor average bench

The Seagate M3 Portable 1TB averaged 70.7% 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 2.65MB/s
Avg. Sustained Write Speed 61.9MB/s

Above average consistency

The range of scores (95th - 5th percentile) for the Seagate M3 Portable 1TB is 39.8%. This is a relatively wide range which indicates that the Seagate M3 Portable 1TB performs inconsistently under varying real world conditions.

Weaknesses

Avg. 4K Random Read Speed 0.93MB/s
Avg. Sequential Read Speed 50MB/s
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Average Bench

(Based on 694 samples)
Rank 11029.2%
Min Avg Max
14.9 Read 50 108
16.4 Write 61.3 126
4.78 Mixed 39 89.5
15.7 SusWrite 61.9 123
73.6% 53.1 MB/s
Min Avg Max
0.37 4K Read 0.93 1.6
0.7 4K Write 2.65 5
0.1 4K Mixed 0.47 0.8
110% 1.35 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest USB (mainstream) averages a speed of 100%
259GB free, PID 61b6
Operating at USB 3.0 Speed
SusWrite @10s intervals: 129 122 127 125 125 125 MB/s
50.7% Above average
Read 94.9
Write 110
Mixed 85.7
SusWrite 126
145% 104 MB/s
4K Read 1.7
4K Write 3
4K Mixed 0.7
132% 1.8 MB/s
888GB free, PID 61b6
Operating at USB 3.0 Speed
SusWrite @10s intervals: 136 136 134 133 136 130 MB/s
50% Average
Read 102
Write 141
Mixed 91.3
SusWrite 134
164% 117 MB/s
4K Read 1.7
4K Write 1.8
4K Mixed 0
68% 1.17 MB/s
876GB free, PID 61b6
Operating at USB 3.0 Speed
SusWrite @10s intervals: 94 120 125 127 127 126 MB/s
49.6% Average
Read 62.5
Write 122
Mixed 54.7
SusWrite 120
130% 89.7 MB/s
4K Read 0.9
4K Write 4.6
4K Mixed 0.9
190% 2.13 MB/s
556GB free, PID 61b6
Operating at USB 3.0 Speed
SusWrite @10s intervals: 96 114 111 116 117 124 MB/s
39.2% Below average
Read 54.7
Write 68.3
Mixed 85.2
SusWrite 113
116% 80.3 MB/s
4K Read 0.9
4K Write 2.1
4K Mixed 0.5
92% 1.17 MB/s
355GB free, PID 61b6
Operating at USB 3.0 Speed
SusWrite @10s intervals: 89 89 89 90 90 89 MB/s
35.8% Below average
Read 82
Write 50.8
Mixed 49
SusWrite 89.4
90% 67.8 MB/s
4K Read 0.5
4K Write 1.4
4K Mixed 0.7
73% 0.87 MB/s
78GB free, PID 61b6
Operating at USB 3.0 Speed
SusWrite @10s intervals: 81 79 82 76 75 73 MB/s
32.3% Below average
Read 65.5
Write 137
Mixed 108
SusWrite 77.8
141% 97 MB/s
4K Read 1.4
4K Write 1.8
4K Mixed 0.2
73% 1.13 MB/s
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  • Fastest real world speed - Real World Speed measures performance for typical consumers.

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The Best.
CPUGPUSSD
Intel Core i5-13600K $273Nvidia RTX 4060 $300Crucial MX500 250GB $40
Intel Core i5-12400F $134Nvidia RTX 4060-Ti $385Samsung 850 Evo 120GB $80
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