Average Bench: 10.3% (416th of 639)

Based on 258 user benchmarks.  Device: VID null PID null Model: USB Flash Disk
Poor: 4%Average: 10.3% Great: 25%

Terrible average bench

The USB Flash Disk 64GB averaged 89.6% 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.


Avg. 4K Random Mixed IO Speed 0.8MB/s
Avg. 4K Random Write Speed 0.51MB/s

Good consistency

The range of scores (95th - 5th percentile) for the USB Flash Disk 64GB is 20.7%. This is a relatively narrow range which indicates that the USB Flash Disk 64GB performs reasonably consistently under varying real world conditions.


Avg. Sequential Read Speed 34.8MB/s
Avg. Sustained Write Speed 14.3MB/s

Average Bench

(Based on 258 samples)
Min Avg Max
10.5 Read 34.8 93.2
2.7 Write 16.6 60.8
3.93 Mixed 20.9 65.2
3.35 SusWrite 14.3 30.2
26.6% 21.7 MB/s
Min Avg Max
1 4K Read 3.6 5.6
0 4K Write 0.51 1.3
0 4K Mixed 0.8 2
57.9% 1.64 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest USB (mainstream) averages a speed of 100%
60GB free, PID null
SusWrite @10s intervals: 77 31 43 35 37 40 MB/s
Read 97.2
Write 64
Mixed 86.8
SusWrite 43.8
94% 72.9 MB/s
4K Read 6.8
4K Write 1.4
4K Mixed 1.9
138% 3.37 MB/s
25GB free, PID null
SusWrite @10s intervals: 36 29 29 29 34 28 MB/s
Read 90.9
Write 24.2
Mixed 58.3
SusWrite 30.7
60% 51 MB/s
4K Read 5.5
4K Write 1.4
4K Mixed 1.9
133% 2.93 MB/s
60GB free, PID null
SusWrite @10s intervals: 34 24 23 25 34 22 MB/s
Read 86.8
Write 17.7
Mixed 46.2
SusWrite 26.9
51% 44.4 MB/s
4K Read 4.8
4K Write 1.3
4K Mixed 2
130% 2.7 MB/s
44GB free, PID null
SusWrite @10s intervals: 4 4.2 4 1.4 5.4 6.5 MB/s
Read 20.5
Write 7.5
Mixed 16.8
SusWrite 4.2
15% 12.2 MB/s
4K Read 4.1
4K Write 0
4K Mixed 0
15% 1.37 MB/s
258 MORE »
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.
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Intel Core i7-9700K $369Nvidia GTX 1650S (Super) $160Samsung 850 Pro 512GB $230
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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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