Many "2TB" drives bought at suspiciously low prices are actually 8GB or 16GB drives with "patched" firmware designed to lie to your computer. When these fail, they often revert to this generic VID/PID.
In the world of hardware hacking, reverse engineering, and cybersecurity, (decimal 65535) is a deliberate anomaly. It is often used as a "sinkhole" value—either an error condition, a placeholder in driver development, or a signature of a patched/modified firmware. usb device id vid ffff pid 1201 patched
Often sold with inflated capacities (e.g., 2TB) that do not match the actual physical memory on the chip. "Patching" or Repairing the Device Many "2TB" drives bought at suspiciously low prices