Transcend JF920 128GB Gray
Score: 84/100
ADATA UV340
Score: 83/100Rankings
The Transcend JetFlash 920 128 GB drive delivers high-speed transfers up to 420 MB/s read and 400 MB/s write in a rugged aluminum case. Its performance is offset by a USB-A-only interface and lack of verified benchmark data. Ideal for photographers and videographers who prioritize speed and durability.
The ADATA UR340 is a 128 GB ultra-light metal USB 3.2 Gen1 flash drive featuring full waterproof, dustproof and shockproof protection. Its write performance is unspecified and it lacks an activity LED. Best suited for users who need a lightweight, rugged, high-capacity drive for everyday portability.
| Attribute | | |
|---|---|---|
128 GBbest | 128 GBbest | |
420 MB/sbest | 100 MB/s | |
400 MB/sbest | — | |
| ↓ lower better | 10 g | 4 gbest |
5 yearsbest | 5 yearsbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Performance(1) | ||
Read Speed (MB/s) | 420 MB/s | 100 MB/s |
Connectivity(2) | ||
USB Version | USB 3.2 Gen1 | USB 3.2 Gen 1 |
Interface Type | Type-A | USB 3.2 Gen 1 |
Build & Design(3) | ||
Weight (g) | 10 g | 4 g |
Dimensions (L×W×H) (mm) | 62x20x7.8 mm | 34.8×12.25×4.6 mm mm |
Material | Aluminum | Metal (nickel/zinc alloy) |
Compatibility(1) | ||
OS Compatibility | Windows, macOS, Linux, ChromeOS, Android | Windows Vista/7/8/8.1/10/11, Mac OS X 10.6+, Linux kernel 2.6+ |
Products in the top-left offer the best value (high score, low price).
No detailed professional reviews were found in the sources; retailer listings emphasize the drive's high advertised speeds, durable metal housing, and suitability for 4K video transfers, positioning it as a premium portable storage option.
User reviews and ratings were not present in the gathered data, so common praise or recurring complaints from everyday consumers cannot be determined.
Professional reviewers and editors consistently highlight the UR340's premium glossy nickel metal finish, its feather-light 4 g weight, and the robust COB construction that provides water, dust and shock resistance. They also commend the USB 3.2 Gen 1 interface for delivering solid read speeds and praise the capless, keychain-ready design as both stylish and functional.
Everyday users echo the professional praise, frequently noting the drive's ultra-light weight, sleek metal look, and the convenience of the built-in strap hole for keychain attachment. Reviewers appreciate the plug-and-play compatibility and the fast read speeds, with no recurring complaints evident in the available data.
