Average Bench: 15.7% (306th of 639)

Based on 86 user benchmarks.  Device: VID 07ab PID fc88 Model: Freecom Mobile Drive XXS
Poor: 10%Average: 15.7% Great: 21%

Terrible average bench

The Freecom Mobile Drive XXS 320GB averaged 84.2% 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 Write Speed 1.35MB/s
Avg. 4K Random Mixed IO Speed 0.49MB/s

Very good consistency

The range of scores (95th - 5th percentile) for the Freecom Mobile Drive XXS 320GB is just 10.4%. This is a relatively narrow range which indicates that the Freecom Mobile Drive XXS 320GB performs reasonably consistently under varying real world conditions.


Avg. 4K Random Read Speed 0.43MB/s
Avg. Sequential Read Speed 32.8MB/s

Average Bench

(Based on 86 samples)
Min Avg Max
22.2 Read 32.8 39.7
16 Write 28.2 42.4
14.9 Mixed 27.8 38.3
13 SusWrite 29.9 41.9
40% 29.7 MB/s
Min Avg Max
0.25 4K Read 0.43 0.5
0.74 4K Write 1.35 2.07
0.23 4K Mixed 0.49 0.8
64.3% 0.76 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest USB (mainstream) averages a speed of 100%
27GB free, PID fc88
Operating at USB 2.0 Speed
SusWrite @10s intervals: 40 40 40 40 40 40 MB/s
Read 38.3
Write 29.4
Mixed 35.2
SusWrite 39.8
48% 35.7 MB/s
4K Read 0.5
4K Write 2.1
4K Mixed 0.9
104% 1.17 MB/s
290GB free, PID fc88
Operating at USB 2.0 Speed
SusWrite @10s intervals: 37 38 38 38 38 38 MB/s
Read 37
Write 33.9
Mixed 29.8
SusWrite 38
47% 34.7 MB/s
4K Read 0.5
4K Write 1.2
4K Mixed 0.6
63% 0.77 MB/s
269GB free, PID fc88
Operating at USB 2.0 Speed
SusWrite @10s intervals: 15 14 12 12 14 15 MB/s
Read 23.6
Write 19.7
Mixed 20.2
SusWrite 13.8
26% 19.3 MB/s
4K Read 0.4
4K Write 2
4K Mixed 0.7
93% 1.03 MB/s
35GB free, PID fc88
Operating at USB 2.0 Speed
SusWrite @10s intervals: 18 19 20 20 20 20 MB/s
Read 22.1
Write 16.9
Mixed 17.4
SusWrite 19.4
25% 19 MB/s
4K Read 0.1
4K Write 0.4
4K Mixed 0.1
17% 0.2 MB/s
86 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) June 2021 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

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