Average Bench: 167% (1st of 639)

Based on 4 user benchmarks.  Device: VID 152d PID 0562 Model: JMicron Tech
Poor: 15%Average: 167% Great: 331%

Outstanding average bench

The JMicron Tech 500GB averaged 67.2% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the JMicron Tech 500GB near the top of the comparison list.


Avg. 4K-64Thread Write Speed 75.9MB/s
Avg. 4K-64Thread Mixed IO Speed 43.4MB/s

Unknown consistency

There are too few samples to reasonably determine how consistently this USB perfroms. This result should be interpreted with caution.


Avg. Sequential Read Speed 196MB/s
Avg. 4K Random Read Speed 17.5MB/s

Average Bench

(Based on 4 samples)
Min Avg Max
29.5 Read 196 481
20.7 Write 199 479
22.7 Mixed 152 326
16.7 SusWrite 214 549
260% 190 MB/s
Min Avg Max
0.5 4K Read 17.5 40.4
1.6 4K Write 28.6 63
0.8 4K Mixed 21.5 48.5
1,770% 22.5 MB/s
Min Avg Max
24.5 DQ Read 33.5 42.5
71.4 DQ Write 75.9 80.3
30.9 DQ Mixed 43.4 55.9
4,180% 50.9 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest USB (mainstream) averages a speed of 100%
155GB free, PID 0562
Operating at USB 3.2 Speed
SusWrite @10s intervals: 519 530 515 514 517 518 MB/s
Read 528
Write 510
Mixed 346
SusWrite 519
640% 476 MB/s
4K Read 23.3
4K Write 38.8
4K Mixed 27.3
2,335% 29.8 MB/s
DQ Read 25.2
DQ Write 43.5
DQ Mixed 29
2,559% 32.6 MB/s
How Fast Is Your USB? (Bench your build) Size up your PC in less than a minute.

Welcome to our freeware PC speed test tool. UserBenchmark will test your PC and compare the results to other users with the same components. You can quickly size up your PC, identify hardware problems and explore the best upgrades.

UserBenchmark of the month

How it works

  • - Download and run UserBenchMark.
  • - CPU tests include: integer, floating and string.
  • - GPU tests include: six 3D game simulations.
  • - Drive tests include: read, write, sustained write and mixed IO.
  • - RAM tests include: single/multi core bandwidth and latency.
  • - Reports are generated and presented on userbenchmark.com.
  • - Identify the strongest components in your PC.
  • - See speed test results from other users.
  • - Compare your components to the current market leaders.
  • - Explore your best upgrade options with a virtual PC build.
  • - Compare your in-game FPS to other users with your hardware.
  • - Share your opinion by voting.
USB Flash Drive Rankings (Price vs Performance) September 2019 USB Rankings.

We highlight the best USB flash drive in terms of balanced performance and value for money using current prices, sequential read, sequential write , 4k read and 4k write speed. The speeds are combined to form a single effective speed which measures performance for tasks such as copying photos, music and videos. Effective speed is adjusted by current price and capacity to yield value for money. Finally thousands of individual user ratings are used to validate our benchmark figures. [USBFlashPro]


Group Test Results

  • Best user rated - User sentiment trumps benchmarks for this comparison.
  • Best value for money - Value for money is based on real world performance.
  • Fastest real world speed - Real World Speed measures performance for typical consumers.


639 Drives (Compared) Thousands of user benchmarks compiled into one comparison list.

See how consistently different USBs perform with varying real world conditions. The charts also illustrate overall performance, popularity and rank.

 Frequently Asked Questions

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