Average Bench: 22% (189th of 639)

Based on 215 user benchmarks.  Device: VID 125f PID db8a Model: ADATA USB Flash Drive

Very poor average bench

The Adata DashDrive UV128 USB 3.0 64GB averaged 78.0% 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 0.71MB/s
Avg. Sequential Mixed IO Speed 37.6MB/s

Above average consistency

The range of scores (95th - 5th percentile) for the Adata DashDrive UV128 USB 3.0 64GB is 33.1%. This is a relatively narrow range which indicates that the Adata DashDrive UV128 USB 3.0 64GB performs reasonably consistently under varying real world conditions.


Avg. 4K Random Read Speed 4.46MB/s
Avg. Sequential Read Speed 78.2MB/s

Average Bench

(Based on 215 samples)
Min Avg Max
28 Read 78.2 192
6.44 Write 33.9 90.4
6.53 Mixed 37.6 89
55.6% 49.9 MB/s
Min Avg Max
1.49 4K Read 4.46 7.53
0.03 4K Write 0.71 1.42
0.02 4K Mixed 0.58 1.15
60.3% 1.92 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest USB (mainstream) averages a speed of 100%
50GB free, PID db8a
Operating at USB 3.0 Speed
Read 185
Write 55
Mixed 77.5
112% 106 MB/s
4K Read 4.98
4K Write 0.33
4K Mixed 0.28
39% 1.86 MB/s
58GB free, PID db8a
Operating at USB 3.0 Speed
Read 109
Write 25
Mixed 77.9
79% 70.5 MB/s
4K Read 6.81
4K Write 1.4
4K Mixed 1.12
111% 3.11 MB/s
17GB free, PID db8a
Operating at USB 2.1 Speed
Read 38
Write 25.2
Mixed 15.6
30% 26.2 MB/s
4K Read 3.01
4K Write 0.86
4K Mixed 0.67
63% 1.51 MB/s
7GB free, PID db8a
Operating at USB 2.1 Speed
Read 33
Write 14.3
Mixed 16.7
24% 21.3 MB/s
4K Read 2.71
4K Write 0.6
4K Mixed 0.38
43% 1.23 MB/s
56GB free, PID db8a
Operating at USB 2.1 Speed
Read 25.1
Write 20.1
Mixed 15.9
25% 20.4 MB/s
4K Read 1.76
4K Write 0.52
4K Mixed 0.39
38% 0.89 MB/s
215 MORE »


NeweggUS $199 hrs
EbayUS $3312 mins
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Typical DashDrive UV128 USB 3.0 64GB Builds (Compare 1,611 builds) See popular component choices, score breakdowns and rankings.
Gaming 111%
Desktop 107%
Workstation 95%
Nuclear submarine

Motherboard: MSI X99A GAMING PRO CARBON (MS-7A20) - $270

EDIT WITH CUSTOM PC BUILDER Value: 91% - Outstanding Total price: $1,791

Popular DashDrive UV128 USB 3.0 64GB 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) May 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

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Seagate Barracuda 3TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $961SanDisk Extreme 32GB $30
Seagate Barracuda 2TB (2016) $60HyperX Fury DDR4 2133 C14 2x8GB $226SanDisk Extreme 16GB $20
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