
SanDisk Ultra Fit 512GB
Score: 89/100
Teamgroup C175 1TB
Score: 82/100Rankings

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 1 TB USB 3.2 Gen 1 flash drive offers massive storage in a compact, stylish package with fast read speeds and a lifetime warranty. Its lack of official write-speed specs, modest write performance, and fragile snap-on cap limit its appeal for power users.
| Attribute | ![]() | ![]() |
|---|---|---|
512 GB | 1,000 GBbest | |
400 MB/sbest | 100 MB/s | |
— | 41 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 | ![]() | ![]() |
|---|---|---|
Storage(1) | ||
Capacity (GB) | 512 GB | 1000 GB |
Performance(2) | ||
Read Speed (MB/s) | 400 MB/s | 100 MB/s |
Write Speed (MB/s) | 4-60 MB/s | 41 MB/s |
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.”




Professional reviewers view the C175 as a well-designed, high-capacity flash drive that offers solid build quality and a lifetime warranty, positioning it as a value-focused alternative in the premium segment. However, they criticize the absence of write-speed specs and the lack of rugged features.
Everyday users appreciate the massive 1 TB storage, fast read performance and the convenient snap-on cap, noting its portability and plug-and-play ease. Recurring complaints focus on the cap's durability, slower write speeds, and incompatibility with iOS devices.