Transcend JF920 128GB
Score: 71/100
KOOTION Retractable 128GB
Score: 46/100Rankings
The Transcend JetFlash 920 128 GB delivers near-SSD performance in a sleek aluminum case with a retractable slider, making it ideal for creators and travelers needing fast, reliable storage. It lacks encryption and waterproofing, and the FAT32 format may require re-formatting for large files.
The KOOTION 128 GB Retractable USB 3.0 flash drive combines a cap-less retractable slider with decent read performance and broad device compatibility. It is an affordable option for students and casual users, though write speeds and actual usable capacity are modest.
| Attribute | | |
|---|---|---|
128 GBbest | 128 GBbest | |
420 MB/sbest | 110 MB/s | |
400 MB/sbest | 40 MB/s | |
60 monthsbest | 24 months | |
| ↓ lower better | 10 g | 9.07 gbest |
| ↓ lower better | 62 mmbest | 280 mm |
| ↓ lower better | 20 mm | 19.9 mmbest |
| ↓ lower better | 7.8 mm | 1 mmbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Performance(2) | ||
Read Speed (MB/s) | 420 MB/s | 110 MB/s |
Write Speed (MB/s) | 400 MB/s | 40 MB/s |
Warranty(1) | ||
Warranty Period (months) | 60 months | 24 months |
Physical(5) | ||
Weight (g) | 10 g | 9.07 g |
Length (mm) | 62 mm | 280 mm |
Width (mm) | 20 mm | 19.9 mm |
Height (mm) | 7.8 mm | 1.0 mm |
Material | Aluminum | ABS plastic |
Connectivity(1) | ||
USB Interface | USB 3.2 Gen 1 | USB 3.0 |
Compatibility(1) | ||
Operating System Compatibility | Windows 7+, macOS 9+, Linux Kernel 2.4.2+, ChromeOS, Android (OTG) | Windows, macOS, Linux, Android, PC, printer, projector, car audio, game console, smart TV |
Products in the top-left offer the best value (high score, low price).
Professional reviewers praise the JetFlash 920 for near-SSD speeds, premium aluminum build, and suitability for dashcam and content-creation workflows, while noting the absence of encryption and the need to reformat from FAT32.
Everyday users rate the drive highly for its speed and durability, though they commonly mention the FAT32 limitation and occasional slider looseness.
“up to 420 MB/s read speeds”
“a perfect bridge between legacy and modern devices”
“Perfect for school and work - fast and reliable.”
Professional reviewers and editors praise the KOOTION drive for its budget-friendly price, reliable USB 3.0 performance, and the convenience of its retractable slider, while cautioning that speed specifications can vary across listings.
Everyday users consistently commend the drive's fast read performance, sturdy retractable mechanism, and ease of use across devices, though they note slower write speeds and occasional receipt of USB 2.0 hardware.
