Average Bench: 20% (203rd of 634)

Based on 1,463 user benchmarks.  Device: VID 05dc PID a838 Model: Lexar USB Flash Drive

Very poor average bench

The Lexar JumpDrive S25 USB 3.0 32GB averaged 79.9% 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. 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 25.8%. 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 27.3MB/s

Average Bench

(Based on 1,463 samples)
Min Avg Max
28 Read 76.5 146
4.56 Write 27.3 59.6
5.55 Mixed 33.6 72
49.5% 45.8 MB/s
Min Avg Max
2.03 4K Read 3.78 5.81
0.34 4K Write 0.69 0.93
0.28 4K Mixed 0.55 0.76
56.1% 1.67 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest USB (mainstream) averages a speed of 100%
11GB free, PID a838
Operating at USB 3.0 Speed
Read 122
Write 50.2
Mixed 60.4
86% 77.5 MB/s
4K Read 5.14
4K Write 0.84
4K Mixed 0.68
71% 2.22 MB/s
30GB free, PID a838
Operating at USB 3.0 Speed
Read 150
Write 13
Mixed 4.15
42% 55.6 MB/s
4K Read 6.84
4K Write 0.73
4K Mixed 0.38
63% 2.65 MB/s
1,463 MORE »


Approx. $13 @ launch in Jan '15
NeweggUS LJDS25-32GABNL $167 months
EbayUS LJDS25-32GABNL $1714 mins
AmazonUS $227 mins
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Typical JumpDrive S25 USB 3.0 32GB Builds (Compare 4,518 builds) See popular component choices, score breakdowns and rankings.
Gaming 12%
Tree trunk
Desktop 59%
Workstation 33%
Sail boat

Motherboard: Dell OptiPlex 7010

EDIT WITH CUSTOM PC BUILDER Value: 91% - Outstanding Total price: $243

Popular JumpDrive S25 USB 3.0 32GB 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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  • - Download and run UserBenchMark (UBM).
  • - CPU tests include: integer, floating and string.
  • - GPU tests include: six 3D game simulations.
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  • - 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.
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USB Flash Drive Rankings (Price vs Performance) March 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.


634 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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