SSK Dual USB-C 128GB
Score: 89/100
Samsung FIT Plus 512GB
Score: 82/100Rankings
The SSK 128 GB dual-head flash drive delivers SSD-level speeds in a rugged metal case, offering USB-C and USB-A 3.2 Gen2 connectivity and extensive OS support. Its durability features make it ideal for creators on the move, though its size and occasional speed throttling near capacity are trade-offs.
The Samsung FIT Plus 512 GB USB-A flash drive delivers fast 400 MB/s read speeds in an ultra-compact metal shell with a keyring, offering five-way rugged protection and broad device compatibility. While its read performance is solid, write speeds can be inconsistent on older hosts and the lack of a USB-C connector limits use with modern ultrabooks.
| Attribute | | |
|---|---|---|
128 GB | 512 GBbest | |
550 MB/sbest | 400 MB/s | |
520 MB/sbest | 400 MB/s | |
— | 12 monthsbest | |
| ↓ lower better | 37 g | 3.1 gbest |
| ↓ lower better | 78 mm | 23.62 mmbest |
| ↓ lower better | 20.5 mm | 18.8 mmbest |
| ↓ lower better | 8.6 mm | 2.54 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(2) | ||
Read Speed (MB/s) | 550 MB/s | 400 MB/s |
Write Speed (MB/s) | 520 MB/s | 400 MB/s |
Physical(5) | ||
Weight (g) | 37 g | 3.10 g |
Length (mm) | 78 mm | 23.62 mm |
Width (mm) | 20.5 mm | 18.80 mm |
Height (mm) | 8.6 mm | 2.54 mm |
Material | Zinc alloy | Metal |
Connectivity(1) | ||
USB Interface | USB-C/USB-A 3.2 Gen2 | USB 3.2 Gen 1 (Type-A) |
Compatibility(1) | ||
Operating System Compatibility | Windows, macOS, Linux, Android, iOS | Windows, macOS, Linux, Android, gaming consoles, smart TVs, car infotainment |
Products in the top-left offer the best value (high score, low price).
Professional reviewers highlight the SSK SD301 as a rare flash drive that delivers SSD-class throughput while offering a dual-head USB-C/USB-A design, making it ideal for creators who need to move large media files between phones and laptops.
Everyday users consistently praise the drive's blazing fast transfers and sturdy feel, calling it "very handy for video editing" and noting flawless operation with iPhone 15 and MacBook.
“Fast transfer speeds”
“Great build quality”
“Very handy for video editing”
Professional reviewers praise the FIT Plus for its real-world performance, noting the 400 MB/s read speed is reliably hit on current hardware, and they highlight the drive's rugged, ultra-compact design as a standout.
Everyday users rate the drive highly (average 4.7/5), lauding its speed, durability and convenience, while recurring complaints focus on inconsistent write speeds on older PCs and the lack of a USB-C option.
