These NVMe-based external SSDs often fail to initialize or require constant re-plugging because the Wii's hardware struggles to communicate with modern high-speed controllers.
Cheap "bulk" flash drives frequently use low-quality controllers that cause the loader to hang at "Initialize USB Device".
Excellent alternatives that typically work plug-and-play without requiring additional power. usb loader gx usb compatibility list
For maximum stability and capacity, traditional external hard drives (HDDs) are the primary recommendation for USB Loader GX. Unlike flash drives, HDDs rarely suffer from "initialization hangs" where the loader fails to detect the device.
These are the most highly recommended drives for their consistent spin-up times and long-term reliability with the Wii. These NVMe-based external SSDs often fail to initialize
To ensure your drive works, regardless of the brand, follow these technical standards: usbloader-gui - Installation.wiki - Google Code
Verified to work perfectly out of the box when formatted to FAT32. To ensure your drive works, regardless of the
A popular low-profile choice, though some users report the 32GB model is more stable than the 64GB variant.