Average Bench: 14.8% (339th of 639)

Based on 60 user benchmarks.  Device: VID 05dc PID a838 Model: Lexar USB Flash Drive

Terrible average bench

The Lexar USB Flash Drive 8GB averaged 85.2% 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 0.62MB/s
Avg. 4K Random Read Speed 4.73MB/s

Very good consistency

The range of scores (95th - 5th percentile) for the Lexar USB Flash Drive 8GB is just 14.3%. This is a relatively narrow range which indicates that the Lexar USB Flash Drive 8GB performs reasonably consistently under varying real world conditions.


Avg. Sequential Write Speed 11.5MB/s
Avg. Sequential Mixed IO Speed 15.5MB/s

Average Bench

(Based on 60 samples)
Min Avg Max
27.4 Read 63.6 109
7.52 Write 11.5 13.6
6.15 Mixed 15.5 23.6
28.5% 30.2 MB/s
Min Avg Max
2.93 4K Read 4.73 6.79
0.16 4K Write 0.62 0.88
0.12 4K Mixed 0.51 0.72
56% 1.95 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest USB (mainstream) averages a speed of 100%
2GB free, PID a838
Operating at USB 3.0 Speed
Read 107
Write 8.64
Mixed 4.99
31% 40.3 MB/s
4K Read 5.97
4K Write 0.63
4K Mixed 0.48
60% 2.36 MB/s
7GB free, PID a838, Lexar 8GB USB 3.0 JumpDrive S23 Flash Drive (Orange)
Operating at USB 2.1 Speed
Read 36.3
Write 12.5
Mixed 14.9
23% 21.2 MB/s
4K Read 5
4K Write 0.75
4K Mixed 0.46
60% 2.07 MB/s
0GB free, PID a838
Operating at USB 2.1 Speed
Read 35.9
Write 12.2
Mixed 10.5
20% 19.6 MB/s
4K Read 4.76
4K Write 0.74
4K Mixed 0.6
63% 2.03 MB/s
7GB free, PID a838
Operating at USB 2.1 Speed
Read 37.4
Write 11.8
Mixed 15.9
23% 21.7 MB/s
4K Read 4.24
4K Write 0.69
4K Mixed 0.61
60% 1.84 MB/s
3GB free, PID a838
Operating at USB 2.1 Speed
Read 28.4
Write 13
Mixed 18
23% 19.8 MB/s
4K Read 3.25
4K Write 0.75
4K Mixed 0.57
57% 1.52 MB/s
2GB free, PID a838
Operating at USB 2.1 Speed
Read 27.5
Write 11.3
Mixed 12.2
19% 17 MB/s
4K Read 2.93
4K Write 0.6
4K Mixed 0.53
49% 1.35 MB/s
60 MORE »
Typical USB Flash Drive 8GB Builds (Compare 1,386 builds) See popular component choices, score breakdowns and rankings.
Gaming 51%
Desktop 50%
Workstation 31%
Sail boat

Motherboard: Asus P7P55D-E

EDIT WITH CUSTOM PC BUILDER Value: 65% - Good Total price: $694

Popular USB Flash Drive 8GB compatible motherboards:

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 (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 userbenchmark.com.
  • - 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) June 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.


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

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