Here's a list of USB devices that are known to work with USB Loader GX:
Here is a helpful review and breakdown of the current state of USB compatibility for USB Loader GX, what to look for, and how to avoid common pitfalls. usb loader gx usb compatibility list exclusive
Many drives, like the SanDisk Cruzer Glide , have been reported by users to fail during game backups or mid-gameplay. Critical Compatibility Checklist Even the best drive will fail without the correct setup: Here's a list of USB devices that are
: A-DATA My Flash , Kodak drives, and some Corsair Flash Voyager models often fail or show "-1" errors. Critical Technical Requirements Critical Technical Requirements USB 3
USB 3.0 drives can work, but only if they fall back to USB 2.0 signaling. Many modern drives have buggy fallback. Exclusive advice: Buy an old-stock USB 2.0 drive from eBay. It will work first try.