Transcend 512GB USB Flash Drive
Score: 72/100
SSK 2TB Dual USB-C
Score: 77/100Rankings
The SSK 2 TB USB flash drive delivers SSD-class speeds up to 1000 MB/s via dual USB-C/A ports in a rugged zinc-alloy body, ideal for creators needing massive portable storage, though it lacks an LED indicator and can run warm under heavy use.
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.
| Attribute | | |
|---|---|---|
512 GB | 2,000 GBbest | |
90 MB/s | 550 MB/sbest | |
60 MB/s | 500 MB/sbest | |
60 monthsbest | — | |
| ↓ lower better | 10 gbest | 68 g |
| ↓ lower better | 63.6 mmbest | 80.8 mm |
| ↓ lower better | 21.2 mm | 19.8 mmbest |
| ↓ lower better | 10.6 mm | 8.4 mmbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Storage(1) | ||
Capacity (GB) | 512 GB | 2000 GB |
Performance(2) | ||
Read Speed (MB/s) | 90 MB/s | 550 MB/s |
Write Speed (MB/s) | 60 MB/s | 500 MB/s |
Physical(4) | ||
Weight (g) | 10 g | 68 g |
Length (mm) | 63.6 mm | 80.8 mm |
Width (mm) | 21.2 mm | 19.8 mm |
Height (mm) | 10.6 mm | 8.4 mm |
Connectivity(1) | ||
USB Interface | USB 3.2 Gen 1 | USB 3.2 Gen 2 |
Compatibility(1) | ||
Operating System Compatibility | Windows, macOS, Linux, ChromeOS, Android (OTG) | Windows, macOS, Linux, Android, iOS |
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.
“feels solid, almost heavy, but reassuring.”
“434.8 MB/s read and 406.6 MB/s write”
Professional reviewers commend the SSK drive for its dual-port versatility, robust zinc-alloy construction, and Direct TLC Write technology that sustains performance, while criticizing the absence of an LED indicator and occasional thermal warm-up.
Users praise the fast transfer rates, solid build, and keychain design, especially for on-the-go video creators, but note the missing LED, warm temperatures during prolonged transfers, and reduced usable capacity on Windows.
