TEST
YOUR USB

JMicron (ExtHD)

Tech 1TB

▲ 500 ▼

Release date ≈ Q1 2019.

Average Bench: 148% (1st of 639)

Based on 10 user benchmarks.  Device: VID 152d PID 0562 Model: JMicron Tech
Poor: 3%Average: 148% Great: 231%

Outstanding average bench

The JMicron Tech 1TB averaged 47.7% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the JMicron Tech 1TB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Write Speed 36.3MB/s
Avg. 4K-64Thread Mixed IO Speed 30.2MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the JMicron Tech 1TB is 228%. This is a particularly wide range which indicates that the JMicron Tech 1TB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sequential Read Speed 212MB/s
Avg. 4K Random Read Speed 19.1MB/s
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Average Bench

(Based on 10 samples)
Rank 1148%
Min Avg Max
1 Read 212 589
1 Write 225 504
1 Mixed 205 517
1.1 SusWrite 217 472
295% 215 MB/s
Min Avg Max
0.8 4K Read 19.1 26.7
0.9 4K Write 21.2 33.9
1 4K Mixed 19.6 29.1
1,459% 20 MB/s
Min Avg Max
21 DQ Read 26.9 31.3
26.8 DQ Write 36.3 43.6
25.6 DQ Mixed 30.2 35.5
2364% 31.1 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest USB (mainstream) averages a speed of 100%
897GB free, PID 0562
Operating at USB 3.2 Speed
SusWrite @10s intervals: 313 304 306 307 306 308 MB/s
211% Outstanding
Read 338
Write 302
Mixed 317
SusWrite 307
429% 316 MB/s
4K Read 21
4K Write 29.4
4K Mixed 26.4
1,976% 25.6 MB/s
DQ Read 30.5
DQ Write 42.5
DQ Mixed 35.4
2,763% 36.1 MB/s
865GB free, PID 0562
Operating at USB 3.2 Speed
SusWrite @10s intervals: 182 174 193 187 200 195 MB/s
171% Outstanding
Read 200
Write 203
Mixed 190
SusWrite 188
267% 195 MB/s
4K Read 25.1
4K Write 30.9
4K Mixed 26.7
2,052% 27.6 MB/s
DQ Read 27.5
DQ Write 43.6
DQ Mixed 30.5
2,622% 33.9 MB/s
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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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