Average Bench: 107% (5th of 639)

Based on 5 user benchmarks.  Device: VID 152d PID 3562 Model: JMicron
Poor: 102%Average: 107% Great: 113%

Outstanding average bench

The JMicron 6TB averaged 7.4% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the JMicron 6TB near the top of the comparison list.


Avg. 4K Random Write Speed 9.88MB/s
Avg. 4K-64Thread Write Speed 4.74MB/s

Unknown consistency

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


Avg. 4K-64Thread Read Speed 1.12MB/s
Avg. 4K Random Read Speed 3.1MB/s

Average Bench

(Based on 5 samples)
Min Avg Max
201 Read 208 216
195 Write 209 221
132 Mixed 138 143
202 SusWrite 212 217
259% 191 MB/s
Min Avg Max
2.8 4K Read 3.1 3.5
8.8 4K Write 9.88 11.1
1.6 4K Mixed 1.64 1.7
403% 4.87 MB/s
Min Avg Max
1 DQ Read 1.12 1.2
4.5 DQ Write 4.74 5.1
2 DQ Mixed 2 2
233% 2.62 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest USB (mainstream) averages a speed of 100%
3TB free, PID 3562
Operating at USB 3.0 Speed
SusWrite @10s intervals: 217 218 218 218 218 216 MB/s
Read 212
Write 209
Mixed 138
SusWrite 217
262% 194 MB/s
4K Read 3.5
4K Write 10.4
4K Mixed 1.6
421% 5.17 MB/s
DQ Read 1.2
DQ Write 4.8
DQ Mixed 2
236% 2.67 MB/s
3TB free, PID 3562
Operating at USB 3.0 Speed
SusWrite @10s intervals: 201 204 202 200 203 201 MB/s
Read 192
Write 204
Mixed 139
SusWrite 202
251% 184 MB/s
4K Read 3.7
4K Write 9.9
4K Mixed 1.7
408% 5.1 MB/s
DQ Read 1.1
DQ Write 4.7
DQ Mixed 2.1
235% 2.63 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) December 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

 Best User Rated

The Best.
Intel Core i5-9400F $145Nvidia GTX 1660S (Super) $260Crucial MX500 250GB $45
Intel Core i5-9600K $200AMD RX 590 $180Samsung 850 Evo 120GB $58
Intel Core i7-9700K $369Nvidia GTX 1650S (Super) $160Samsung 850 Pro 512GB $230
Seagate Barracuda 1TB (2016) $35Corsair Vengeance LPX DDR4 3200 C16 2x8GB $65SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $38Corsair Vengeance LPX DDR4 3000 C15 2x8GB $63SanDisk Extreme 32GB $46
Seagate Barracuda 3TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $613SanDisk Extreme 16GB $24
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