Transcend 512GB USB Flash Drive
Score: 72/100
PNY Turbo Attache 3 512GB
Score: 58/100Rankings
The Transcend JF790 512 GB USB flash drive offers high capacity and a convenient retractable design, making it suitable for everyday storage across many devices. While its speeds are adequate for typical documents and media, they fall short of premium drives, and it lacks encryption.
The PNY 512GB Turbo Attaché 3 offers high capacity and decent read speeds in a capless sliding design, but its bulky plastic body and lack of encryption limit its suitability for security-focused or ultra-compact needs.
| Attribute | | |
|---|---|---|
512 GBbest | 512 GBbest | |
90 MB/s | 100 MB/sbest | |
60 MB/sbest | 30 MB/s | |
60 monthsbest | 12 months | |
| ↓ lower better | 10 gbest | 18 g |
| ↓ lower better | 63.6 mmbest | 133.35 mm |
| ↓ lower better | 21.2 mmbest | 99.06 mm |
| ↓ lower better | 10.6 mmbest | 11.43 mm |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Performance(2) | ||
Read Speed (MB/s) | 90 MB/s | 100 MB/s |
Write Speed (MB/s) | 60 MB/s | 30 MB/s |
Warranty(1) | ||
Warranty Period (months) | 60 months | 12 months |
Physical(4) | ||
Weight (g) | 10 g | 18 g |
Length (mm) | 63.6 mm | 133.35 mm |
Width (mm) | 21.2 mm | 99.06 mm |
Height (mm) | 10.6 mm | 11.43 mm |
Connectivity(1) | ||
USB Interface | USB 3.2 Gen 1 | USB 3.0 |
Compatibility(1) | ||
Operating System Compatibility | Windows, macOS, Linux, ChromeOS, Android (OTG) | Windows, macOS |
Products in the top-left offer the best value (high score, low price).
Professional reviewers view the JF790 as a reliable, well-built flash drive that offers solid value for casual users, but they note its speed falls short of premium offerings and it lacks advanced security features.
Everyday users praise the drive's convenient retractable design, cross-device compatibility, and dependable performance for everyday files, while recurring complaints focus on slower transfer rates and occasional wear of the retractable part.
“Users consistently rate the drive 5 stars for performance and reliability.”
“too fat”
Professional reviewers consider the Turbo Attaché 3 a solid mid-tier flash drive, highlighting its 100 MB/s read speed, plug-and-play simplicity and broad OS support, while noting the lack of hardware encryption and modest plastic construction.
Everyday users overwhelmingly praise the drive's speed, capacity and convenient sliding design, awarding it an average of 4.6 / 5 stars, though complaints focus on its bulky width, cheap plastic feel, and absence of clear write-speed specifications.
