Approx. $15 @ launch in Oct '11
AmazonUS $153 years
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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 (UBM).
  • - CPU tests include: integer, floating and string.
  • - GPU tests include: six 3D game simulations.
  • - Drive tests include: read, write and mixed IO.
  • - Checks include: 4k Align, NCQ, TRIM, SATA, USB & S.M.A.R.T.
  • - RAM tests include: single/multi core bandwidth and latency.
  • - Reports are generated and presented on
  • - Identify the strongest components in your PC.
  • - See speed test results from other users.
  • - Compare your components to the highest voted in class.
  • - Find the best upgrades.
  • - Share your opinion by voting.
USB Flash Drive Rankings (Price vs Performance) March 2018 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.
  • Fastest real world speed - Real World Speed measures performance for typical flash usage patterns.
  • Best value for money - Value for money is based on real world performance, price and capacity.
  • Raw speed comparison - Raw speed readings.


The C103 has read speeds up to 70 MB/sec and, write speeds up to 10 MB/sec

Leap to Twice the Performance...


  • Performance Read: 70MB/s; Write: 10MB/s (16GB/32GB)
  • Capacity 8GB/16GB/32GB
  • Color Black
  • Dimensions 68.8 x 20.9 x 8.6mm (L x W x H)
  • Weight 11g
Added 5 years ago.

Below average

5 years ago.

Reasonable read but very poor write performance at 10 MB/s. A lot of USB 2.0 devices write faster ...

CrystalDiskMark Benchmark Speed Test

CrystalDiskMark Benchmark Speed Test


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