Average Bench: 6.59% (498th of 639)

Based on 5 user benchmarks.  Device: VID 17ef PID 3818 Model: Lenovo USB Flash Drive

Terrible average bench

The Lenovo USB Flash Drive 8GB averaged 93.4% 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 Read Speed 8.49MB/s
Avg. Sequential Mixed IO Speed 9.15MB/s

Unknown consistency

There are too few samples to reasonably determine how consistently this USB perfroms. This result should be interpreted with caution.


Avg. 4K Random Mixed IO Speed 0.01MB/s
Avg. 4K Random Write Speed 0.02MB/s

Average Bench

(Based on 5 samples)
Min Avg Max
18.4 Read 20.8 24.3
4.85 Write 7.02 8.33
5.16 Mixed 9.15 11.1
13.2% 12.3 MB/s
Min Avg Max
6.69 4K Read 8.49 9.99
0.004 4K Write 0.02 0.03
0.005 4K Mixed 0.01 0.02
32.4% 2.84 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest USB (mainstream) averages a speed of 100%
3GB free, PID 3818
Operating at USB 2.0 Speed
Read 22.4
Write 8.33
Mixed 11.1
15% 14 MB/s
4K Read 9.99
4K Write 0.02
4K Mixed 0.01
38% 3.34 MB/s
1GB free, PID 3818
Operating at USB 2.0 Speed
Read 20.2
Write 6.29
Mixed 8.69
12% 11.7 MB/s
4K Read 9.03
4K Write 0.01
4K Mixed 0.01
34% 3.02 MB/s
4GB free, PID 3818
Operating at USB 2.0 Speed
Read 18.4
Write 7.85
Mixed 10.4
14% 12.2 MB/s
4K Read 8.43
4K Write 0.03
4K Mixed 0.01
32% 2.82 MB/s
4GB free, PID 3818
Operating at USB 2.0 Speed
Read 18.5
Write 7.78
Mixed 10.4
14% 12.2 MB/s
4K Read 8.31
4K Write 0.02
4K Mixed 0.02
32% 2.78 MB/s
2GB free, PID 3818
Operating at USB 2.0 Speed
Read 24.3
Write 4.85
Mixed 5.16
11% 11.4 MB/s
4K Read 6.69
4K Write 0.004
4K Mixed 0.005
25% 2.23 MB/s
Typical USB Flash Drive 8GB Builds (Compare 4,272 builds) See popular component choices, score breakdowns and rankings.
Gaming 66%
Battle cruiser
Desktop 67%
Battle cruiser
Workstation 40%
Speed boat

Motherboard: MSI B250M BAZOOKA (MS-7A70) - $75

EDIT WITH CUSTOM PC BUILDER Value: 87% - Excellent Total price: $592

Popular USB Flash Drive 8GB 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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How it works

  • - Download and run UserBenchMark (UBM).
  • - CPU tests include: integer, floating and string.
  • - GPU tests include: six 3D game simulations.
  • - Drive tests include: read, write and mixed IO.
  • - 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.
  • - Identify the strongest components in your PC.
  • - See speed test results from other users.
  • - Compare your components to the highest voted in class.
  • - Find the best upgrades.
  • - Share your opinion by voting.
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.

 Frequently Asked Questions

 Best User Rated

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Intel Core i5-8600K $239AMD RX 480 $280Samsung 850 Pro 256GB $155
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Seagate Barracuda 3TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $951SanDisk Extreme 32GB $30
Seagate Barracuda 2TB (2016) $35HyperX Fury DDR4 2133 C14 2x8GB $226SanDisk Ultra Fit 32GB $12
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