Average Bench: 48.8% (18th of 618)

Based on 111 user benchmarks.  Device: VID 05dc PID a212 Model: Lexar USB Flash Drive

Below average average bench

The Lexar USB Flash Drive 128GB averaged 51.1% 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. Sequential Write Speed 97.4MB/s
Avg. Sequential Mixed IO Speed 75.8MB/s

Very poor consistency

The range of scores (95th - 5th percentile) for the Lexar USB Flash Drive 128GB is 74.4%. This is a particularly wide range which indicates that the Lexar USB Flash Drive 128GB performs inconsistently under varying real world conditions.


Avg. 4K Random Read Speed 4.86MB/s
Avg. 4K Random Mixed IO Speed 0.56MB/s

Average Bench

(Based on 111 samples)
Min Avg Max
29.6 Read 168 295
19.1 Write 97.4 200
13.6 Mixed 75.8 169
130% 114 MB/s
Min Avg Max
2.49 4K Read 4.86 8.98
0.11 4K Write 0.68 0.99
0.06 4K Mixed 0.56 0.77
60.3% 2.03 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest USB (mainstream) averages a speed of 100%
87GB free, PID a212
Operating at USB 3.0 Speed
Read 251
Write 152
Mixed 151
217% 184 MB/s
4K Read 5.36
4K Write 0.96
4K Mixed 0.74
78% 2.35 MB/s
88GB free, PID a212
Operating at USB 3.0 Speed
Read 233
Write 165
Mixed 153
222% 184 MB/s
4K Read 3.72
4K Write 0.87
4K Mixed 0.7
67% 1.76 MB/s
89GB free, PID a212
Operating at USB 3.0 Speed
Read 225
Write 146
Mixed 49.5
154% 140 MB/s
4K Read 4.82
4K Write 0.86
4K Mixed 0.69
70% 2.12 MB/s
86GB free, PID a212
Operating at USB 3.0 Speed
Read 208
Write 95.6
Mixed 118
160% 141 MB/s
4K Read 4.28
4K Write 0.98
4K Mixed 0.75
75% 2 MB/s
111 MORE »
Typical USB Flash Drive 128GB Builds (Compare 112 builds) See popular component choices, score breakdowns and rankings.
Gaming 61%
Desktop 62%
Workstation 56%

Motherboard: Gigabyte GA-G1.Assassin2

EDIT WITH CUSTOM PC BUILDER Value: 53% - Above average Total price: $1,058

Popular USB Flash Drive 128GB 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) August 2017 USB Rankings.

We highlight the best USB flash drive in terms of balanced performance and value for money using price, 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 price and capacity to yield value for money. Finally thousands of individual user ratings are used to validate our benchmark figures. Vote to share your opinion. [USBFlashPro]


618 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.

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