Average Bench: 20.9% (205th of 639)

Based on 669 user benchmarks.  Device: VID 125f PID db8a Model: ADATA USB Flash Drive
Poor: 9%Average: 20.9% Great: 37%

Very poor average bench

The Adata DashDrive UV128 USB 3.0 64GB averaged 79.0% 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.

Strengths

Avg. 4K-64Thread Mixed IO Speed 13.2MB/s
Avg. 4K-64Thread Write Speed 12.6MB/s

Good consistency

The range of scores (95th - 5th percentile) for the Adata DashDrive UV128 USB 3.0 64GB is 27.1%. 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.

Weaknesses

Avg. Sustained Write Speed 24.2MB/s
Avg. Sequential Write Speed 27.4MB/s
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Average Bench

(Based on 669 samples)
Min Avg Max
27.9 Read 78.5 139
1.2 Write 27.4 68
4.34 Mixed 34.2 83.1
7.72 SusWrite 24.2 60.9
47.4% 41.1 MB/s
Min Avg Max
2.6 4K Read 5.39 11
0 4K Write 0.97 2.29
0 4K Mixed 1.6 3.89
108% 2.66 MB/s
Min Avg Max
17.9 DQ Read 17.9 17.9
12.6 DQ Write 12.6 12.6
13.2 DQ Mixed 13.2 13.2
944% 14.6 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest USB (mainstream) averages a speed of 100%
58GB free, PID db8a
Operating at USB 3.1 Speed
SusWrite @10s intervals: 40 28 25 25 26 38 MB/s
Read 130
Write 23.6
Mixed 66.1
SusWrite 30.3
70% 62.5 MB/s
4K Read 12.4
4K Write 2.5
4K Mixed 4
267% 6.3 MB/s
58GB free, PID db8a
Operating at USB 3.1 Speed
SusWrite @10s intervals: 44 25 25 26 35 MB/s
Read 131
Write 57.7
Mixed 46.2
SusWrite 30.1
76% 66.2 MB/s
4K Read 12.3
4K Write 2.4
4K Mixed 3.7
253% 6.13 MB/s
58GB free, PID db8a
Operating at USB 3.1 Speed
SusWrite @10s intervals: 27 29 29 29 29 30 MB/s
Read 130
Write 61.6
Mixed 79.5
SusWrite 28.9
90% 75.1 MB/s
4K Read 10.4
4K Write 2.6
4K Mixed 4.1
266% 5.7 MB/s
38GB free, PID db8a
Operating at USB 3.0 Speed
SusWrite @10s intervals: 3.5 62 63 59 61 62 MB/s
Read 75.9
Write 71
Mixed 40.1
SusWrite 51.6
78% 59.7 MB/s
4K Read 5.2
4K Write 0.9
4K Mixed 1.4
98% 2.5 MB/s
58GB free, PID db8a
Operating at USB 3.2 Speed
SusWrite @10s intervals: 17 13 14 13 13 14 MB/s
Read 96.6
Write 41.7
Mixed 28.7
SusWrite 14.2
50% 45.3 MB/s
4K Read 7.3
4K Write 1.5
4K Mixed 2.2
153% 3.67 MB/s
58GB free, PID db8a
Operating at USB 2.1 Speed
SusWrite @10s intervals: 9.3 7.4 12 9.1 20 0.2 MB/s
Read 40.4
Write 37.1
Mixed 37.6
SusWrite 9.5
40% 31.1 MB/s
4K Read 6.6
4K Write 1.7
4K Mixed 2.6
171% 3.63 MB/s
46GB free, PID db8a
Operating at USB 2.1 Speed
SusWrite @10s intervals: 22 11 26 27 27 27 MB/s
Read 30.7
Write 3.5
Mixed 26.1
SusWrite 23.4
26% 20.9 MB/s
4K Read 3.8
4K Write 0.7
4K Mixed 1.1
75% 1.87 MB/s
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USB Flash Drive Rankings (Price vs Performance) August 2021 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]

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  • Best user rated - User sentiment trumps benchmarks for this comparison.
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  • Fastest real world speed - Real World Speed measures performance for typical consumers.

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