
Samsung Type-C 128GB
Score: 81/100
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 Samsung 128 GB Type-C flash drive combines fast read performance with a dual-connector design and rugged durability, making it a versatile choice for creators, though its plastic build and lack of encryption may deter premium-seeking users.
| Attribute | ![]() | ![]() |
|---|---|---|
128 GB | 512 GBbest | |
400 MB/sbest | 400 MB/sbest | |
300 MB/sbest | — | |
60 monthsbest | 60 monthsbest | |
| ↓ lower better | 3.4 gbest | 10 g |
| ↓ lower better | 33.8 mm | 29.7 mmbest |
| ↓ lower better | 16 mm | 14.2 mmbest |
| ↓ lower better | 8.1 mm | 5.1 mmbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Storage(1) | ||
Capacity (GB) | 128 GB | 512 GB |
Performance(1) | ||
Write Speed (MB/s) | 300 MB/s | 4-60 MB/s |
Security(1) | ||
Encryption Support | false | true |
Physical(4) | ||
Weight (g) | 3.4 g | 10 g |
Length (mm) | 33.8 mm | 29.7 mm |
Width (mm) | 16.0 mm | 14.2 mm |
Height (mm) | 8.1 mm | 5.1 mm |

Products in the top-left offer the best value (high score, low price).

Professional reviewers highlight the drive's exceptional read performance and rugged, multi-proof construction, while pointing out the slower write speeds and occasional OTG compatibility quirks.
Everyday users rate the drive highly for speed, durability, and convenience of dual connectors, with complaints focused on write speed and the plastic feel.

“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.