Could be flashed with a different microcode that works better with Linux. Just because it’s of the same model doesn’t mean it’s the same. Sometimes it’s as little as a flag that is set. Looking at you battleye

Don’t want break your illusion but for the most part those were just USB adapters so you didn’t had any of the implementational benefits because under the hood it was still USB

And their interrupt routine has an error that leads to changed memory and you don’t know why your Programm calculates „2+6=E“ and that only sometimes on every other run.