SSK Dual USB-C 128GB
Score: 73/100
Vansuny USB Flash Drive 512GB
Score: 79/100Rankings
The Vansuny 512 GB Type-C flash drive delivers near-1 GB/s sequential performance and a rugged zinc-alloy body with dual USB-A/C connectors. Its random-access speeds and occasional USB-C throttling are drawbacks. Ideal for creators moving large media files on the go.
The SSK 128 GB dual USB-C/A drive promises ultra-fast 550 MB/s reads and a waterproof, shock-resistant metal case. In practice it overheats and can throttle, with hinge durability concerns. Fits casual photographers needing occasional high-speed transfers.
| Attribute | | |
|---|---|---|
128 GB | 512 GBbest | |
550 MB/s | 1,013.42 MB/sbest | |
520 MB/s | 963.46 MB/sbest | |
| ↓ lower better | 37 gbest | — |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Storage(1) | ||
Storage Capacity (GB) | 128 GB | 512 GB |
Performance(2) | ||
Read Speed (MB/s) | 550 MB/s | 1013.42 MB/s |
Write Speed (MB/s) | 520 MB/s | 963.46 MB/s |
Connectivity(1) | ||
Interface | USB-A 3.2 Gen 2 and USB-C 3.2 Gen 2 | USB Type-A + USB Type-C (OTG) |
General(1) | ||
OS Compatibility | Computers, smart TVs, Android phones, iPhone 15, iPads, laptops, MacBooks | Windows 7/8/10/XP/2000/ME/NT, Linux, Mac OS |
Build & Design(2) | ||
Dimensions (L×W×H) (mm) | 78.0×20.5×8.6 mm mm | 79.7×21.2×8.5 mm mm |
Material | High-grade zinc alloy | Zinc alloy |
Products in the top-left offer the best value (high score, low price).
Professional reviewers, notably a Critical Reviews YouTube analysis, criticize the SSK drive for severe overheating, inconsistent sustained speeds, high power draw on iOS devices, and fragile USB-C hinge, concluding that despite its premium feel and advertised peak performance, the product suffers from reliability issues that outweigh its advantages.
Everyday users praise the dual-connector convenience and the solid, premium feel of the metal housing, but common complaints focus on rapid heating, speed throttling after short use, hinge durability problems, power-draw warnings on iPhone 15, and occasional early failures, making the drive suitable only for occasional light transfers.
Professional reviewers commend the Vansuny 512GB OTG drive for its near-advertised sequential performance, high AS SSD benchmark score, and robust zinc-alloy construction, but they point out inconsistent USB-C speeds and modest random 4K read rates, and note the lack of coverage from major tech publications.
Everyday users appreciate the fast large-file transfers, especially the ability to move a 4 GB movie to a phone in seconds, and value the plug-and-play experience across multiple platforms, though they report occasional port-speed differences and wish for more information on durability and heat.
