Transcend 512GB USB Flash Drive
Score: 72/100
SanDisk Ultra Fit 512GB
Score: 89/100Rankings
The SanDisk Ultra Fit 512 GB USB 3.2 Gen 1 flash drive packs massive storage into an ultra-compact, low-profile design. It delivers excellent read performance and encryption, but its write speeds are notably slow and the plastic case offers limited ruggedness.
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 GBbest | 512 GBbest | |
90 MB/s | 400 MB/sbest | |
60 MB/sbest | — | |
60 monthsbest | 60 monthsbest | |
| ↓ lower better | 10 gbest | 10 gbest |
| ↓ lower better | 63.6 mm | 29.7 mmbest |
| ↓ lower better | 21.2 mm | 14.2 mmbest |
| ↓ lower better | 10.6 mm | 5.1 mmbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Performance(2) | ||
Read Speed (MB/s) | 90 MB/s | 400 MB/s |
Write Speed (MB/s) | 60 MB/s | 4-60 MB/s |
Security(1) | ||
Encryption Support | false | true |
Physical(3) | ||
Length (mm) | 63.6 mm | 29.7 mm |
Width (mm) | 21.2 mm | 14.2 mm |
Height (mm) | 10.6 mm | 5.1 mm |
Compatibility(1) | ||
Operating System Compatibility | Windows, macOS, Linux, ChromeOS, Android (OTG) | Windows; macOS; consoles; smart TV; car audio |
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.
“Perfect for my PS5 - fits behind the panel and stores game saves and screenshots.”
“I leave it in my laptop all the time - barely sticks out.”
“Fast enough to play 4K videos directly from the drive.”
Professional reviewers commend the Ultra Fit for its minuscule size and impressive read performance, positioning it as an ideal solution for devices with limited space, while warning that the write speed is a major bottleneck.
Everyday users love the drive's ability to stay hidden in laptops, consoles, and car stereos while providing ample storage and fast media playback. The dominant complaint centers on painfully slow write speeds and the difficulty of removing the drive once fully inserted.
