Adata AS102P-8G-RGY (Flash)

S102 Pro USB 3.0 8GB

Average Bench: 12.7% (381st of 639)

Based on 142 user benchmarks.  Device: VID 125f PID 312b Model: ADATA USB Flash Drive
Poor: 7%Average: 12.7% Great: 24%

Terrible average bench

The Adata S102 Pro USB 3.0 8GB averaged 87.3% 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 5.41MB/s
Avg. 4K Random Write Speed 0.45MB/s

Very good consistency

The range of scores (95th - 5th percentile) for the Adata S102 Pro USB 3.0 8GB is just 16.3%. This is a relatively narrow range which indicates that the Adata S102 Pro USB 3.0 8GB performs reasonably consistently under varying real world conditions.


Avg. Sequential Write Speed 11.6MB/s
Avg. Sustained Write Speed 12.1MB/s

Average Bench

(Based on 142 samples)
Min Avg Max
21.5 Read 51.7 104
5.54 Write 11.6 20.8
5.46 Mixed 13.9 29.7
6.8 SusWrite 12.1 22.7
23.6% 22.3 MB/s
Min Avg Max
1.06 4K Read 5.41 9.53
0.11 4K Write 0.45 1.1
0.01 4K Mixed 0.33 1.1
46.5% 2.06 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest USB (mainstream) averages a speed of 100%
5GB free, PID 312b
Operating at USB 3.0 Speed
SusWrite @10s intervals: 11 11 11 11 11 11 MB/s
Read 75.2
Write 12
Mixed 17.7
SusWrite 11.1
29% 29 MB/s
4K Read 1
4K Write 0.5
4K Mixed 0.3
31% 0.6 MB/s
7GB free, PID 312b
Operating at USB 3.0 Speed
SusWrite @10s intervals: 11 12 12 12 12 12 MB/s
Read 57.8
Write 11.2
Mixed 6.8
SusWrite 11.8
22% 21.9 MB/s
4K Read 4.4
4K Write 0.3
4K Mixed 0.1
30% 1.6 MB/s
6GB free, PID 312b
Operating at USB 3.0 Speed
SusWrite @10s intervals: 11 10 10 11 10 11 MB/s
Read 44.8
Write 7.8
Mixed 9.9
SusWrite 10.7
19% 18.3 MB/s
4K Read 2
4K Write 0.5
4K Mixed 0.2
31% 0.9 MB/s
142 MORE »


AmazonUS $152 years
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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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