TEST
YOUR USB

JMicron (ExtHD)

Generic 120GB

▲ 500 ▼

Release date ≈ Q1 2015.

Average Bench: 100% (5th of 639)

Based on 42 user benchmarks.  Device: VID 152d PID 0567 Model: JMicron Generic
Poor: 13%Average: 100% Great: 199%

Outstanding average bench

The JMicron Generic 120GB averaged 0.0% lower than the peak scores attained by the group leaders. This is an excellent result which ranks the JMicron Generic 120GB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Write Speed 29MB/s
Avg. 4K Random Write Speed 16.8MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the JMicron Generic 120GB is 186%. This is a particularly wide range which indicates that the JMicron Generic 120GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sequential Read Speed 161MB/s
Avg. 4K Random Read Speed 12.1MB/s
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Average Bench

(Based on 42 samples)
Rank 5100%
Min Avg Max
8.2 Read 161 399
8.2 Write 123 347
5.37 Mixed 128 328
8.7 SusWrite 87.8 308
163% 125 MB/s
Min Avg Max
0.25 4K Read 12.1 25.6
0 4K Write 16.8 45.2
0 4K Mixed 8.84 23.1
916% 12.6 MB/s
Min Avg Max
9.7 DQ Read 18.4 27.5
14.8 DQ Write 29 59.2
2.74 DQ Mixed 13.1 30.3
1,503% 20.2 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest USB (mainstream) averages a speed of 100%
104GB free, PID 0567
Operating at USB 3.0 Speed
SusWrite @10s intervals: 314 225 324 329 329 326 MB/s
191% Outstanding
Read 274
Write 328
Mixed 279
SusWrite 308
413% 297 MB/s
4K Read 19.8
4K Write 25.8
4K Mixed 20.5
1,648% 22 MB/s
DQ Read 19.8
DQ Write 25.9
DQ Mixed 21.5
1,686% 22.4 MB/s
24GB free, PID 0567
Operating at USB 3.0 Speed
SusWrite @10s intervals: 351 68 49 48 49 49 MB/s
162% Outstanding
Read 399
Write 346
Mixed 299
SusWrite 102
367% 287 MB/s
4K Read 17.3
4K Write 25.4
4K Mixed 11.8
1,329% 18.2 MB/s
DQ Read 17.9
DQ Write 37.8
DQ Mixed 14.3
1,838% 23.3 MB/s
44GB free, PID 0567
Operating at USB 3.0 Speed
SusWrite @10s intervals: 254 309 338 239 53 48 MB/s
160% Outstanding
Read 316
Write 344
Mixed 304
SusWrite 207
396% 293 MB/s
4K Read 18.6
4K Write 21.2
4K Mixed 18.6
1,423% 19.5 MB/s
DQ Read 18.8
DQ Write 38.4
DQ Mixed 24.2
2,199% 27.1 MB/s
83GB free, PID 0567
Operating at USB 3.0 Speed
SusWrite @10s intervals: 125 124 120 123 119 123 MB/s
134% Outstanding
Read 256
Write 134
Mixed 167
SusWrite 122
213% 170 MB/s
4K Read 16.1
4K Write 21.6
4K Mixed 17.3
1,383% 18.3 MB/s
DQ Read 19.2
DQ Write 34.9
DQ Mixed 22.6
2,027% 25.6 MB/s
34GB free, PID 0567
Operating at USB 2.1 Speed
SusWrite @10s intervals: 40 41 41 43 43 43 MB/s
65.9% Good
Read 50.2
Write 41.6
Mixed 36.6
SusWrite 41.7
56% 42.5 MB/s
4K Read 15.8
4K Write 14.9
4K Mixed 14.3
1,052% 15 MB/s
DQ Read 15.2
DQ Write 20.6
DQ Mixed 16.3
1,312% 17.4 MB/s
16GB free, PID 0567
Operating at USB 2.1 Speed
SusWrite @10s intervals: 38 39 38 39 39 39 MB/s
18.7% Very poor
Read 38.2
Write 37.1
Mixed 28.3
SusWrite 38.7
48% 35.6 MB/s
4K Read 0.6
4K Write 1.5
4K Mixed 0.8
80% 0.97 MB/s
13GB free, PID 0567
Operating at USB 2.1 Speed
SusWrite @10s intervals: 8.5 10 8.7 7.8 8.4 8.5 MB/s
3.37% Terrible
Read 8.2
Write 8.2
Mixed 8.2
SusWrite 8.7
11% 8.32 MB/s
4K Read 1.2
4K Write 0
4K Mixed 0
4% 0.4 MB/s
42 MORE »
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  • Best user rated - User sentiment trumps benchmarks for this comparison.
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  • Fastest real world speed - Real World Speed measures performance for typical consumers.

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