Average Bench: 12.4% (378th of 634)

Based on 173 user benchmarks.  Device: VID 125f PID db8a Model: ADATA USB Flash Drive

Terrible average bench

The Adata DashDrive UV128 USB 3.0 8GB averaged 87.6% 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 5.56MB/s
Avg. 4K Random Write Speed 0.39MB/s

Very good consistency

The range of scores (95th - 5th percentile) for the Adata DashDrive UV128 USB 3.0 8GB is just 14.9%. This is a relatively narrow range which indicates that the Adata DashDrive UV128 USB 3.0 8GB performs reasonably consistently under varying real world conditions.


Avg. Sequential Write Speed 8.58MB/s
Avg. Sequential Mixed IO Speed 11.1MB/s

Average Bench

(Based on 173 samples)
Min Avg Max
24.6 Read 55.4 118
4.7 Write 8.58 15
5.22 Mixed 11.1 18.9
22.7% 25 MB/s
Min Avg Max
2.76 4K Read 5.56 10.7
0.03 4K Write 0.39 0.79
0.009 4K Mixed 0.3 0.74
43.9% 2.08 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest USB (mainstream) averages a speed of 100%
7GB free, PID db8a
Operating at USB 3.0 Speed
Read 116
Write 6.76
Mixed 11.1
35% 44.7 MB/s
4K Read 9.89
4K Write 0.13
4K Mixed 0.19
47% 3.4 MB/s
7GB free, PID db8a
Operating at USB 3.0 Speed
Read 102
Write 4.04
Mixed 6.53
28% 37.4 MB/s
4K Read 5.98
4K Write 0.19
4K Mixed 0.25
37% 2.14 MB/s
3GB free, PID db8a
Operating at USB 3.0 Speed
Read 38.8
Write 7.39
Mixed 14.8
20% 20.3 MB/s
4K Read 6.78
4K Write 0.32
4K Mixed 0.32
47% 2.48 MB/s
7GB free, PID db8a
Operating at USB 2.1 Speed
Read 32.4
Write 5.99
Mixed 8.14
15% 15.5 MB/s
4K Read 4.39
4K Write 0.26
4K Mixed 0.04
27% 1.56 MB/s
2GB free, PID db8a
Operating at USB 2.1 Speed
Read 22.8
Write 8.6
Mixed 11.4
16% 14.3 MB/s
4K Read 6.05
4K Write 0.03
4K Mixed 0.12
28% 2.07 MB/s
173 MORE »


NeweggUS $76 months
EbayUS $916 mins
OutletPCUS $1813 months
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Typical DashDrive UV128 USB 3.0 8GB Builds (Compare 373 builds) See popular component choices, score breakdowns and rankings.
Gaming 52%
Desktop 41%
Speed boat
Workstation 30%

Motherboard: Asrock 970 Pro3 - $66

EDIT WITH CUSTOM PC BUILDER Value: 77% - Very good Total price: $479

Popular DashDrive UV128 USB 3.0 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) 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.

 Frequently Asked Questions

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