Adata AS102P-8G-RGY (Flash)

S102 Pro USB 3.0 8GB

Average Bench: 13% (377th of 639)

Based on 107 user benchmarks.  Device: VID 125f PID 312b Model: ADATA USB Flash Drive

Terrible average bench

The Adata S102 Pro USB 3.0 8GB averaged 87.0% 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 Read Speed 5.85MB/s
Avg. 4K Random Write Speed 0.46MB/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 11.5MB/s
Avg. Sequential Mixed IO Speed 14.4MB/s

Average Bench

(Based on 107 samples)
Min Avg Max
21.5 Read 53 104
5.32 Write 11.5 20.6
5.33 Mixed 14.4 31
25.5% 26.3 MB/s
Min Avg Max
2.25 4K Read 5.85 9.76
0.21 4K Write 0.46 1.22
0.01 4K Mixed 0.3 1.06
47.5% 2.2 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest USB (mainstream) averages a speed of 100%
7GB free, PID 312b
Operating at USB 3.0 Speed
Read 93.8
Write 13.3
Mixed 15.4
36% 40.8 MB/s
4K Read 7.26
4K Write 1.01
4K Mixed 0.84
90% 3.04 MB/s
7GB free, PID 312b
Operating at USB 3.0 Speed
Read 78.5
Write 11
Mixed 10.4
29% 33.3 MB/s
4K Read 7.24
4K Write 0.34
4K Mixed 0.09
42% 2.56 MB/s
7GB free, PID 312b
Operating at USB 3.0 Speed
Read 38.5
Write 11.4
Mixed 15
23% 21.7 MB/s
4K Read 4.12
4K Write 0.36
4K Mixed 0.04
29% 1.51 MB/s
3GB free, PID 312b
Operating at USB 2.1 Speed
Read 27.9
Write 11.7
Mixed 12
19% 17.2 MB/s
4K Read 3.01
4K Write 0.64
4K Mixed 0.56
52% 1.4 MB/s
7GB free, PID 312b
Operating at USB 2.1 Speed
Read 24.4
Write 10.4
Mixed 11.3
17% 15.4 MB/s
4K Read 4.24
4K Write 0.39
4K Mixed 0.33
40% 1.66 MB/s
6GB free, PID 312b
Operating at USB 2.1 Speed
Read 31.4
Write 9.76
Mixed 13.8
20% 18.3 MB/s
4K Read 0.05
4K Write 0.38
4K Mixed 0.16
18% 0.2 MB/s
4GB free, PID 312b
Operating at USB 2.1 Speed
Read 21.7
Write 9.21
Mixed 9.26
15% 13.4 MB/s
4K Read 4.69
4K Write 0.33
4K Mixed 0.09
32% 1.7 MB/s
107 MORE »


AmazonUS $1513 months
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Typical S102 Pro USB 3.0 8GB Builds (Compare 346 builds) See popular component choices, score breakdowns and rankings.
Gaming 61%
Desktop 71%
Workstation 53%

Motherboard: Gigabyte GA-Z77X-UP4 TH

EDIT WITH CUSTOM PC BUILDER Value: 69% - Good Total price: $1,038

Popular S102 Pro USB 3.0 8GB compatible motherboards:

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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]


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  • Best user rated - User sentiment trumps benchmarks for this comparison.
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  • Raw speed comparison - Raw speed readings.


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See how consistently different USBs perform with varying real world conditions. The charts also illustrate overall performance, popularity and rank.

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