TEST
YOUR USB

(ExtHD)

JMicron 1TB

▲ 500 ▼

Release date ≈ Q3 2017.

Average Bench: 36.7% (55th of 639)

Based on 26 user benchmarks.  Device: VID 152d PID 2561 Model: JMicron
Poor: 9%Average: 36.7% Great: 68%

Poor average bench

The JMicron 1TB averaged 63.3% 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-64Thread Write Speed 4.73MB/s
Avg. 4K Random Write Speed 2.3MB/s

Below average consistency

The range of scores (95th - 5th percentile) for the JMicron 1TB is 58.6%. This is a relatively wide range which indicates that the JMicron 1TB performs inconsistently under varying real world conditions.

Weaknesses

Avg. 4K Random Read Speed 0.89MB/s
Avg. 4K-64Thread Read Speed 1.12MB/s
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Average Bench

(Based on 26 samples)
Rank 5536.7%
Min Avg Max
1 Read 90.8 187
1 Write 82.5 150
1 Mixed 53.1 140
0.2 SusWrite 75.7 172
100% 75.5 MB/s
Min Avg Max
0.49 4K Read 0.89 1.51
0.39 4K Write 2.3 9.27
0.13 4K Mixed 0.78 1.9
108% 1.32 MB/s
Min Avg Max
1.12 DQ Read 1.12 1.12
4.73 DQ Write 4.73 4.73
0.66 DQ Mixed 0.66 0.66
188% 2.17 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest USB (mainstream) averages a speed of 100%
931GB free, PID 2561
Operating at USB 3.0 Speed
SusWrite @10s intervals: 105 107 108 107 110 114 MB/s
59.1% Above average
Read 175
Write 149
Mixed 95.4
SusWrite 108
171% 132 MB/s
4K Read 1.2
4K Write 3.2
4K Mixed 1.1
151% 1.83 MB/s
324GB free, PID 2561
Operating at USB 3.0 Speed
SusWrite @10s intervals: 128 128 128 127 129 130 MB/s
56% Above average
Read 136
Write 104
Mixed 90.5
SusWrite 128
152% 115 MB/s
4K Read 1.3
4K Write 2.6
4K Mixed 1.2
134% 1.7 MB/s
896GB free, PID 2561
Operating at USB 3.0 Speed
SusWrite @10s intervals: 101 103 103 103 103 104 MB/s
46.9% Average
Read 131
Write 122
Mixed 80.5
SusWrite 103
144% 109 MB/s
4K Read 0.8
4K Write 1.7
4K Mixed 1
95% 1.17 MB/s
929GB free, PID 2561
Operating at USB 3.0 Speed
SusWrite @10s intervals: 62 73 70 68 70 41 MB/s
42.6% Average
Read 137
Write 135
Mixed 95.6
SusWrite 63.8
141% 108 MB/s
4K Read 1
4K Write 2.8
4K Mixed 0.9
130% 1.57 MB/s
900GB free, PID 2561
Operating at USB 3.0 Speed
SusWrite @10s intervals: 62 61 60 61 62 62 MB/s
36.7% Below average
Read 130
Write 122
Mixed 79.9
SusWrite 61.3
127% 98.3 MB/s
4K Read 0.8
4K Write 1.4
4K Mixed 1
85% 1.07 MB/s
896GB free, PID 2561
Operating at USB 3.0 Speed
SusWrite @10s intervals: 61 60 62 62 62 62 MB/s
36.4% Below average
Read 127
Write 123
Mixed 78.1
SusWrite 61.5
127% 97.5 MB/s
4K Read 0.8
4K Write 1.4
4K Mixed 1.1
88% 1.1 MB/s
920GB free, PID 2561
SusWrite @10s intervals: 22 22 22 22 22 22 MB/s
15.8% Very poor
Read 38.1
Write 42
Mixed 32.8
SusWrite 21.8
45% 33.7 MB/s
4K Read 1.4
4K Write 1.7
4K Mixed 0.8
90% 1.3 MB/s
26 MORE »
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