SanDisk Ultra Fit 512GB
Score: 89/100
Teamgroup TC1753512GB01 512GB
Score: 67/100Rankings
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 TEAMGROUP C175 512 GB USB 3.2 Gen 1 flash drive offers high capacity and a sleek cap-based design with solid read performance and a lifetime warranty, targeting budget-conscious users who value aesthetics. However, write speeds are unclear, and reliability concerns such as dead-on-arrival units and occasional overheating have been reported.
| Attribute | | |
|---|---|---|
512 GBbest | 512 GBbest | |
400 MB/sbest | 100 MB/s | |
— | 30 MB/sbest | |
60 monthsbest | — | |
| ↓ lower better | 10 g | 9 gbest |
| ↓ lower better | 29.7 mmbest | 54.9 mm |
| ↓ lower better | 14.2 mmbest | 20.5 mm |
| ↓ lower better | 5.1 mmbest | 9.5 mm |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Performance(2) | ||
Read Speed (MB/s) | 400 MB/s | 100 MB/s |
Write Speed (MB/s) | 4-60 MB/s | 30 MB/s |
Warranty(1) | ||
Warranty Period (months) | 60 months | lifetime months |
Physical(4) | ||
Weight (g) | 10 g | 9 g |
Length (mm) | 29.7 mm | 54.9 mm |
Width (mm) | 14.2 mm | 20.5 mm |
Height (mm) | 5.1 mm | 9.5 mm |
Compatibility(1) | ||
Operating System Compatibility | Windows; macOS; consoles; smart TV; car audio | Windows, macOS, Linux |
Products in the top-left offer the best value (high score, low price).
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.
“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.”
Choose SanDisk Ultra Fit if you need a smaller form factor and slightly faster reads at a similar price.
Professional reviewers praise the attractive rounded black-pearl finish, ergonomic feel and seamless construction, noting the USB 3.2 Gen 1 interface for modern compatibility and the lifetime warranty, but they point out the lack of disclosed write speeds and performance that lags behind premium competitors.
Everyday users generally like the drive's price-to-capacity ratio, solid look and reliable read performance, but many complain about units arriving dead, unpredictable transfer speeds, slow writes, and occasional physical failures such as the cap or case coming loose.
