
ADATA UV128
Score: 74/100
Maspen USB Flash Drive
Score: 52/100Rankings

The ADATA AUV128-32G-RBE 32 GB USB 3.2 Gen1 flash drive offers a retractable capless connector, decent 100 MB/s read speed and a 5-year warranty in a compact plastic body. Its drawbacks are modest capacity, slower write speed and a less premium material compared with metal-cased competitors. It fits users who want a budget-friendly, key-chain ready USB 3.2 drive for everyday file transfers.

The Maspen 64 GB USB 2.0 flash drive offers a convenient swivel cap, keychain attachment, and broad OS compatibility, making it easy to carry and use across devices. Its USB 2.0 speed and reported fragility of the swivel mechanism limit its suitability for high-performance tasks. Best for budget-conscious students or casual users needing simple storage.
| Attribute | ![]() | ![]() |
|---|---|---|
32 GB | 64 GBbest | |
100 MB/sbest | — | |
40 MB/sbest | 8 MB/s | |
| ↓ lower better | 10 g | 9.07 gbest |
5 yearsbest | 1 years |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Storage(1) | ||
Storage Capacity (GB) | 32 GB | 64 GB |
Performance(1) | ||
Write Speed (MB/s) | 40 MB/s | 8 MB/s |
Connectivity(2) | ||
USB Version | USB 3.2 Gen1 | USB 2.0 |
Interface | Retractable sliding | USB-A |
General(2) | ||
Warranty (years) | 5 years | 1 years |
OS Compatibility | Windows, macOS, Linux | Windows, Linux, macOS |
Build & Design(2) | ||
Weight (g) | 10 g | 9.07 g |
Dimensions (L×W×H) (mm) | 60x20x9 mm | 57.15×18.29×11.43 mm mm |


Products in the top-left offer the best value (high score, low price).

Professional reviewers commend the Maspen drive for its convenient swivel cap, keychain attachment, ample 64 GB capacity and matte finish, but they consistently point out the outdated USB 2.0 speed, fragility of the swivel mechanism and occasional compatibility issues with newer hardware.
Everyday users appreciate the portable form factor, protective swivel design and reliable plug-and-play compatibility across computers, Macs and car systems, while repeatedly criticizing the slow USB 2.0 transfer rates, occasional burnout under heavy use, and the tendency of the swivel cap to break over time.
“Highly convenient with swivel cap, keychain attachment, and compact size for everyday carry.”

“Users appreciate the portability, protective swivel design, and ease of use for storing photos, music, and documents.”

