Different firmware? You have no idea what you're talking about. This modded switch is a scam.
You wanna know what actually makes a difference? 30€ headphones vs 800€ headphones.
Customers are most of the time NOT experts, they rely on expert opinions to tell them how things work. So yes, most of the blame goes to the scammer and not the scammed.
Yeah, thats not a mistake...
Just a normal thousands separator.
https://language-boutique.com/lost-in-translation-full-reader/writing-numbers-points-or-commas.html
Zotac dosn't host the gpu drivers themselfs, you alwqays download them from nvidia.
And depending on the gpu you can also download Firestorm for Overclocking, Fan & LED Control.