TEST
YOUR USB

JMicron (ExtHD)

Tech 500GB

▲ 500 ▼

Release date ≈ Q1 2021.

Average Bench: 63.3% (9th of 639)

Based on 13 user benchmarks.  Device: VID 152d PID 0576 Model: JMicron Tech
Poor: 9%Average: 63.3% Great: 200%

Above average average bench

The JMicron Tech 500GB averaged 36.7% 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-64Thread Write Speed 29.1MB/s
Avg. 4K-64Thread Mixed IO Speed 27.8MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the JMicron Tech 500GB is 191%. This is a particularly wide range which indicates that the JMicron Tech 500GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. 4K Random Read Speed 5.48MB/s
Avg. Sequential Read Speed 119MB/s
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Average Bench

(Based on 13 samples)
Rank 963.3%
Min Avg Max
16.3 Read 119 374
13.3 Write 112 377
12.8 Mixed 95.2 351
22.1 SusWrite 114 364
149% 110 MB/s
Min Avg Max
0.1 4K Read 5.48 23.9
0.3 4K Write 6.49 25.2
0.1 4K Mixed 5.6 24.2
432% 5.86 MB/s
Min Avg Max
25.2 DQ Read 25.8 26.3
26.9 DQ Write 29.1 33.4
26 DQ Mixed 27.8 28.7
2,031% 27.6 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest USB (mainstream) averages a speed of 100%
249GB free, PID 0576
Operating at USB 3.1 Speed
SusWrite @10s intervals: 365 368 367 367 360 360 MB/s
207% Outstanding
Read 374
Write 377
Mixed 351
SusWrite 364
501% 366 MB/s
4K Read 19.8
4K Write 22.4
4K Mixed 20.9
1,546% 21 MB/s
DQ Read 25.2
DQ Write 33.4
DQ Mixed 28.7
2,206% 29.1 MB/s
125GB free, PID 0576
Operating at USB 3.1 Speed
SusWrite @10s intervals: 321 319 321 321 323 325 MB/s
200% Outstanding
Read 323
Write 306
Mixed 300
SusWrite 322
427% 313 MB/s
4K Read 23.9
4K Write 25.2
4K Mixed 24.2
1,769% 24.4 MB/s
DQ Read 26
DQ Write 26.9
DQ Mixed 26
1,896% 26.3 MB/s
125GB free, PID 0576
Operating at USB 3.1 Speed
SusWrite @10s intervals: 294 299 288 286 282 291 MB/s
184% Outstanding
Read 285
Write 281
Mixed 271
SusWrite 290
386% 282 MB/s
4K Read 22.7
4K Write 24.2
4K Mixed 21.8
1,649% 22.9 MB/s
DQ Read 26.3
DQ Write 27.1
DQ Mixed 28.6
1,992% 27.3 MB/s
83GB free, PID 0576
Operating at USB 3.1 Speed
SusWrite @10s intervals: 82 47 59 83 65 60 MB/s
33.8% Below average
Read 88.4
Write 65.6
Mixed 50.6
SusWrite 65.9
88% 67.6 MB/s
4K Read 0.5
4K Write 2.1
4K Mixed 0.8
100% 1.13 MB/s
398GB free, PID 0576
Operating at USB 2.1 Speed
SusWrite @10s intervals: 29 29 29 29 29 29 MB/s
16.8% Very poor
Read 33.1
Write 28.9
Mixed 20.9
SusWrite 29
37% 28 MB/s
4K Read 0.5
4K Write 1.8
4K Mixed 0.6
84% 0.97 MB/s
0GB free, PID 0576
Operating at USB 2.1 Speed
SusWrite @10s intervals: 29 29 29 29 29 29 MB/s
16.5% Very poor
Read 33.2
Write 28.8
Mixed 21.3
SusWrite 29.1
37% 28.1 MB/s
4K Read 0.5
4K Write 1.7
4K Mixed 0.6
80% 0.93 MB/s
39GB free, PID 0576
Operating at USB 3.1 Speed
SusWrite @10s intervals: 22 24 23 25 35 36 MB/s
9.3% Terrible
Read 16.3
Write 13.3
Mixed 12.8
SusWrite 27.5
24% 17.5 MB/s
4K Read 0.1
4K Write 0.3
4K Mixed 0.1
14% 0.17 MB/s
410GB free, PID 0576
Operating at USB 3.1 Speed
SusWrite @10s intervals: 22 23 23 21 22 22 MB/s
9.27% Terrible
Read 24
Write 25
Mixed 19
SusWrite 22.1
31% 22.5 MB/s
4K Read 0.2
4K Write 0.3
4K Mixed 0.2
18% 0.23 MB/s
13 MORE »
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