Average Bench: 19.8% (211th of 639)

Based on 1,627 user benchmarks.  Device: VID 05dc PID a838 Model: Lexar USB Flash Drive

Terrible average bench

The Lexar JumpDrive S25 USB 3.0 32GB averaged 80.2% 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 0.69MB/s
Avg. 4K Random Mixed IO Speed 0.55MB/s

Good consistency

The range of scores (95th - 5th percentile) for the Lexar JumpDrive S25 USB 3.0 32GB is 25.4%. This is a relatively narrow range which indicates that the Lexar JumpDrive S25 USB 3.0 32GB performs reasonably consistently under varying real world conditions.


Avg. 4K Random Read Speed 3.78MB/s
Avg. Sequential Write Speed 26.4MB/s

Average Bench

(Based on 1,627 samples)
Min Avg Max
28.1 Read 75.7 146
4.81 Write 26.4 58.9
6.14 Mixed 33.2 71.4
48.6% 45.1 MB/s
Min Avg Max
2.01 4K Read 3.78 5.77
0.38 4K Write 0.69 0.94
0.27 4K Mixed 0.55 0.76
56.2% 1.67 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest USB (mainstream) averages a speed of 100%
24GB free, PID a838
Operating at USB 3.0 Speed
Read 138
Write 52.7
Mixed 60.7
91% 83.9 MB/s
4K Read 5.45
4K Write 0.88
4K Mixed 0.74
75% 2.36 MB/s
18GB free, PID a838
Read 91.3
Write 55.2
Mixed 22.7
62% 56.4 MB/s
4K Read 5.19
4K Write 1.01
4K Mixed 0.76
80% 2.32 MB/s
25GB free, PID a838
Operating at USB 3.0 Speed
Read 93.5
Write 34.2
Mixed 62.8
73% 63.5 MB/s
4K Read 3.66
4K Write 0.68
4K Mixed 0.55
56% 1.63 MB/s
21GB free, PID a838
Operating at USB 2.1 Speed
Read 13.5
Write 6.33
Mixed 10.9
12% 10.3 MB/s
4K Read 1.67
4K Write 0.04
4K Mixed 0.44
23% 0.72 MB/s
1,627 MORE »


Approx. $13 @ launch in Jan '15
AmazonUS $932 mins
NeweggUS LJDS25-32GABNL $1610 months
EbayUS LJDS25-32GABNL $1712 mins
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Typical JumpDrive S25 USB 3.0 32GB Builds (Compare 23,180 builds) See popular component choices, score breakdowns and rankings.
Gaming 12%
Tree trunk
Desktop 57%
Workstation 23%

Disqualified System: bin bin

EDIT WITH CUSTOM PC BUILDER Value: 71% - Very good Total price: $387

Popular JumpDrive S25 USB 3.0 32GB systems:

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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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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.

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