Average Bench: 49.1% (20th of 622)

Based on 131 user benchmarks.  Device: VID 05dc PID a212 Model: Lexar USB Flash Drive

Below average average bench

The Lexar USB Flash Drive 128GB averaged 50.9% 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 98.5MB/s
Avg. Sequential Mixed IO Speed 77.1MB/s

Very poor consistency

The range of scores (95th - 5th percentile) for the Lexar USB Flash Drive 128GB is 74.1%. 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 Mixed IO Speed 0.54MB/s
Avg. 4K Random Read Speed 4.95MB/s

Average Bench

(Based on 131 samples)
Min Avg Max
30.5 Read 168 292
19.3 Write 98.5 200
13.6 Mixed 77.1 171
131% 115 MB/s
Min Avg Max
2.65 4K Read 4.95 8.93
0.11 4K Write 0.66 0.99
0.04 4K Mixed 0.54 0.77
59% 2.05 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest USB (mainstream) averages a speed of 100%
99GB free, PID a212
Operating at USB 3.0 Speed
Read 262
Write 204
Mixed 140
242% 202 MB/s
4K Read 8.62
4K Write 0.39
4K Mixed 0.4
59% 3.14 MB/s
56GB free, PID a212
Operating at USB 3.0 Speed
Read 286
Write 187
Mixed 131
233% 201 MB/s
4K Read 3.89
4K Write 0.25
4K Mixed 0.24
31% 1.46 MB/s
45GB free, PID a212, Lexar P20 128GB
Operating at USB 3.0 Speed
Read 268
Write 191
Mixed 87.3
208% 182 MB/s
4K Read 8.49
4K Write 0.41
4K Mixed 0.31
56% 3.07 MB/s
59GB free, PID a212
Operating at USB 3.0 Speed
Read 232
Write 182
Mixed 79.1
191% 164 MB/s
4K Read 7.99
4K Write 0.17
4K Mixed 0.49
52% 2.89 MB/s
119GB free, PID a212, Jumpdrive LJDP20-128
Operating at USB 3.0 Speed
Read 259
Write 112
Mixed 135
189% 169 MB/s
4K Read 7.95
4K Write 0.25
4K Mixed 0.02
39% 2.74 MB/s
20GB free, PID a212
Operating at USB 3.0 Speed
Read 126
Write 45
Mixed 37.4
72% 69.5 MB/s
4K Read 4.3
4K Write 0.006
4K Mixed 0.002
16% 1.44 MB/s
118GB free, PID a212
Operating at USB 2.1 Speed
Read 42.5
Write 41.4
Mixed 17.9
41% 33.9 MB/s
4K Read 3.58
4K Write 0.46
4K Mixed 0.63
50% 1.56 MB/s
32GB free, PID a212
Operating at USB 2.1 Speed
Read 42.9
Write 31.6
Mixed 42.6
49% 39 MB/s
4K Read 4.27
4K Write 0.84
4K Mixed 0.64
66% 1.91 MB/s
131 MORE »
Typical USB Flash Drive 128GB Builds (Compare 114 builds) See popular component choices, score breakdowns and rankings.
Gaming 99%
Nuclear submarine
Desktop 67%
Battle cruiser
Workstation 54%

Motherboard: Gigabyte GA-G1.Assassin2

EDIT WITH CUSTOM PC BUILDER Value: 85% - Excellent Total price: $945

Popular USB Flash Drive 128GB compatible motherboards:

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USB Flash Drive Rankings (Price vs Performance) December 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]


622 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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