Average Bench: 12.1% (386th of 639)

Based on 783 user benchmarks.  Device: VID null PID null Model: SMI USB DISK
Poor: 4%Average: 12.1% Great: 25%

Terrible average bench

The SMI USB DISK 32GB averaged 87.8% 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 0.89MB/s
Avg. 4K Random Write Speed 0.56MB/s

Good consistency

The range of scores (95th - 5th percentile) for the SMI USB DISK 32GB is 21.1%. This is a relatively narrow range which indicates that the SMI USB DISK 32GB performs reasonably consistently under varying real world conditions.


Avg. Sustained Write Speed 15.9MB/s
Avg. Sequential Read Speed 42.2MB/s

Average Bench

(Based on 783 samples)
Min Avg Max
12.1 Read 42.2 106
2.26 Write 18.1 45.9
2.76 Mixed 21.5 59
4.9 SusWrite 15.9 27.8
29.3% 24.4 MB/s
Min Avg Max
0.4 4K Read 3.59 6.03
0 4K Write 0.56 1.4
0 4K Mixed 0.89 2.13
62.4% 1.68 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest USB (mainstream) averages a speed of 100%
26GB free, PID null
SusWrite @10s intervals: 47 24 29 20 32 27 MB/s
Read 99.6
Write 50.5
Mixed 82.9
SusWrite 29.8
82% 65.7 MB/s
4K Read 5.7
4K Write 1.4
4K Mixed 2.2
144% 3.1 MB/s
28GB free, PID null
SusWrite @10s intervals: 4.8 7.7 11 12 12 9.4 MB/s
Read 17.5
Write 1.5
Mixed 7.7
SusWrite 9.6
10% 9.08 MB/s
4K Read 3.7
4K Write 0
4K Mixed 0
14% 1.23 MB/s
26GB free, PID null
SusWrite @10s intervals: 8.6 4.4 6.6 5.4 6.9 4.6 MB/s
Read 18.6
Write 2.5
Mixed 9.2
SusWrite 6.1
10% 9.1 MB/s
4K Read 4.7
4K Write 0
4K Mixed 0
17% 1.57 MB/s
9GB free, PID null
SusWrite @10s intervals: 7.8 7.6 7.5 7.3 7.6 7.7 MB/s
Read 14.2
Write 10.2
Mixed 11.2
SusWrite 7.6
14% 10.8 MB/s
4K Read 2.5
4K Write 0
4K Mixed 0
9% 0.83 MB/s
783 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.

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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 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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