TEST
YOUR USB

Lexar (Flash)

USB Flash Drive 128GB

▲ 500 ▼

Release date ≈ Q4 2019.

Average Bench: 85.8% (5th of 639)

Based on 73 user benchmarks.  Device: VID 21c4 PID 0cd1 Model: Lexar USB Flash Drive
Poor: 37%Average: 85.8% Great: 118%

Very good average bench

The Lexar USB Flash Drive 128GB averaged just 14.2% lower than the peak scores attained by the group leaders. This is an excellent result which ranks the Lexar USB Flash Drive 128GB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Write Speed 18MB/s
Avg. 4K Random Write Speed 16MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the Lexar USB Flash Drive 128GB is 81.8%. This is a particularly wide range which indicates that the Lexar USB Flash Drive 128GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sequential Write Speed 52.9MB/s
Avg. Sustained Write Speed 55.4MB/s
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Average Bench

(Based on 73 samples)
Rank 585.8%
Min Avg Max
38 Read 149 252
7.55 Write 52.9 94.5
15.1 Mixed 65 100
18.8 SusWrite 55.4 71.3
94.2% 80.5 MB/s
Min Avg Max
6.21 4K Read 12.9 16.4
4.58 4K Write 16 23.3
5.32 4K Mixed 10.2 13.8
940% 13 MB/s
Min Avg Max
8.78 DQ Read 18.1 20.9
10.3 DQ Write 18 21.8
6.48 DQ Mixed 11.8 15.3
1,080% 15.9 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest USB (mainstream) averages a speed of 100%
91GB free, PID 0cd1
Operating at USB 3.2 Speed
SusWrite @10s intervals: 65 67 67 64 63 65 MB/s
109% Outstanding
Read 256
Write 3.3
Mixed 97.3
SusWrite 65.2
109% 105 MB/s
4K Read 13.1
4K Write 17.8
4K Mixed 11.8
1,055% 14.2 MB/s
DQ Read 19.1
DQ Write 20
DQ Mixed 14.1
1,231% 17.7 MB/s
39GB free, PID 0cd1
Operating at USB 3.2 Speed
SusWrite @10s intervals: 43 42 46 41 47 41 MB/s
45.3% Average
Read 229
Write 3.2
Mixed 92.6
SusWrite 43.4
94% 91.9 MB/s
4K Read 11.4
4K Write 0
4K Mixed 7.9
311% 6.43 MB/s
109GB free, PID 0cd1
Operating at USB 2.1 Speed
SusWrite @10s intervals: 22 26 23 26 22 25 MB/s
43.9% Average
Read 39.6
Write 4.5
Mixed 34
SusWrite 24.1
32% 25.5 MB/s
4K Read 7.7
4K Write 10.1
4K Mixed 6.7
600% 8.17 MB/s
DQ Read 9.7
DQ Write 10.8
DQ Mixed 7.3
652% 9.27 MB/s
88GB free, PID 0cd1
Operating at USB 2.1 Speed
SusWrite @10s intervals: 14 24 21 24 23 23 MB/s
25.3% Poor
Read 64.2
Write 25.7
Mixed 30.6
SusWrite 21.5
42% 35.5 MB/s
4K Read 10
4K Write 2.9
4K Mixed 5.1
309% 6 MB/s
73 MORE »
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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

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 Frequently Asked Questions

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