Average Bench: 51.2% (18th of 639)

Based on 201 user benchmarks.  Device: VID 05dc PID a212 Model: Lexar USB Flash Drive
Poor: 12%Average: 51.2% Great: 91%

Average average bench

The Lexar USB Flash Drive 128GB averaged 48.8% 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.

Strengths

Avg. Sustained Write Speed 139MB/s
Avg. Sequential Write Speed 107MB/s

Very poor consistency

The range of scores (95th - 5th percentile) for the Lexar USB Flash Drive 128GB is 79.9%. This is a particularly wide range which indicates that the Lexar USB Flash Drive 128GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. 4K Random Read Speed 4.73MB/s
Avg. 4K Random Write Speed 0.68MB/s
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Average Bench

(Based on 201 samples)
Min Avg Max
29.2 Read 163 290
19.2 Write 107 252
14.1 Mixed 76.3 167
20 SusWrite 139 276
157% 121 MB/s
Min Avg Max
2.49 4K Read 4.73 8.74
0.1 4K Write 0.68 1
0.07 4K Mixed 0.76 1.6
66.4% 2.05 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest USB (mainstream) averages a speed of 100%
64GB free, PID a212
Operating at USB 3.0 Speed
SusWrite @10s intervals: 266 269 269 270 268 243 MB/s
Read 276
Write 255
Mixed 68.9
SusWrite 264
282% 216 MB/s
4K Read 5.1
4K Write 1
4K Mixed 1.6
107% 2.57 MB/s
19GB free, PID a212
Operating at USB 3.0 Speed
SusWrite @10s intervals: 130 72 165 157 131 155 MB/s
Read 188
Write 172
Mixed 153
SusWrite 135
216% 162 MB/s
4K Read 4.1
4K Write 0.9
4K Mixed 1.4
93% 2.13 MB/s
201 MORE »
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  • - CPU tests include: integer, floating and string.
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USB Flash Drive Rankings (Price vs Performance) October 2019 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]

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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.

 Comments

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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HDDRAMUSB
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WD Blue 1TB (2012) $37Corsair Vengeance LPX DDR4 3200 C16 2x8GB $70SanDisk Ultra Fit 32GB $14
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