TEST
YOUR USB

(ExtHD)

JMicron 1TB

▲ 500 ▼

Release date ≈ Q1 2016.

Average Bench: 56.6% (18th of 639)

Based on 54 user benchmarks.  Device: VID 152d PID 1561 Model: JMicron
Poor: 14%Average: 56.6% Great: 225%

Average average bench

The JMicron 1TB averaged 43.4% 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 54.2MB/s
Avg. 4K-64Thread Mixed IO Speed 32.5MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the JMicron 1TB is 211%. This is a particularly wide range which indicates that the JMicron 1TB performs inconsistently under varying real world conditions.

Weaknesses

Avg. 4K Random Read Speed 3.45MB/s
Avg. Sequential Read Speed 109MB/s
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Average Bench

(Based on 54 samples)
Rank 1856.6%
Min Avg Max
16.9 Read 109 351
11.9 Write 99.5 301
6.29 Mixed 67 290
5.93 SusWrite 100 299
125% 94.1 MB/s
Min Avg Max
0.29 4K Read 3.45 26.9
0.36 4K Write 5.92 40.7
0.13 4K Mixed 3.55 30.6
335% 4.31 MB/s
Min Avg Max
23.3 DQ Read 28.3 35.4
30.8 DQ Write 54.2 69.8
18.4 DQ Mixed 32.5 46
3,053% 38.3 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest USB (mainstream) averages a speed of 100%
479GB free, PID 1561
Operating at USB 3.0 Speed
SusWrite @10s intervals: 293 286 282 273 274 271 MB/s
205% Outstanding
Read 265
Write 258
Mixed 256
SusWrite 280
364% 265 MB/s
4K Read 21.3
4K Write 32.6
4K Mixed 25.1
2,042% 26.3 MB/s
DQ Read 23.5
DQ Write 58.1
DQ Mixed 25.3
2,924% 35.6 MB/s
599GB free, PID 1561
Operating at USB 3.0 Speed
SusWrite @10s intervals: 195 80 203 210 217 183 MB/s
112% Outstanding
Read 352
Write 339
Mixed 178
SusWrite 181
339% 263 MB/s
4K Read 13.9
4K Write 6
4K Mixed 12.7
688% 10.9 MB/s
791GB free, PID 1561
Operating at USB 3.0 Speed
SusWrite @10s intervals: 113 117 117 116 117 117 MB/s
46.2% Average
Read 122
Write 117
Mixed 29.2
SusWrite 116
126% 96.1 MB/s
4K Read 0.7
4K Write 1
4K Mixed 0.4
50% 0.7 MB/s
262GB free, PID 1561
Operating at USB 3.0 Speed
SusWrite @10s intervals: 74 69 68 68 68 68 MB/s
42.8% Average
Read 94
Write 87.4
Mixed 60.1
SusWrite 69.1
103% 77.7 MB/s
4K Read 1
4K Write 4.5
4K Mixed 0.3
167% 1.93 MB/s
209GB free, PID 1561
Operating at USB 3.0 Speed
SusWrite @10s intervals: 60 61 61 61 61 60 MB/s
31.2% Below average
Read 76.5
Write 60.2
Mixed 50.1
SusWrite 60.5
81% 61.8 MB/s
4K Read 0.5
4K Write 2.2
4K Mixed 0.9
107% 1.2 MB/s
231GB free, PID 1561
Operating at USB 2.1 Speed
SusWrite @10s intervals: 29 29 29 28 29 29 MB/s
18.4% Very poor
Read 32.4
Write 25.9
Mixed 26.2
SusWrite 28.6
38% 28.3 MB/s
4K Read 0.5
4K Write 2.4
4K Mixed 0.8
111% 1.23 MB/s
658GB free, PID 1561
Operating at USB 2.1 Speed
SusWrite @10s intervals: 28 28 28 28 28 28 MB/s
14.6% Very poor
Read 27.3
Write 25.3
Mixed 22.3
SusWrite 28.2
35% 25.8 MB/s
4K Read 0.7
4K Write 1.4
4K Mixed 0.9
81% 1 MB/s
930GB free, PID 1561
Operating at USB 2.1 Speed
SusWrite @10s intervals: 0.3 0.3 0.3 0.3 0.3 0.3 MB/s
1.77% Terrible
Read 0.5
Write 0.5
Mixed 0.5
SusWrite 0.3
1% 0.45 MB/s
4K Read 0.4
4K Write 0.5
4K Mixed 0.4
32% 0.43 MB/s
54 MORE »
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