I bought a 256GB Sandisk Extreme one and it works great.
There was a deal recently for the PNY 256GB for $17, it's slower than the Sandisk but less than half the price.,
EDIT: I got it working. In the control config there is an input setting, and it was set to keyboard only.
Also had to install firmware files to get the Mii selection working in Mario Kart 8.
I love the emulators, been playing some old NES and Atari Lynx games.
Been trying to get a couple of Switch games working but they are unresponsive once they load up.
they aren't frozen, it's just like none of the buttons do anything.
Yesterday I was just wondering how people ripped Lynx games into Roms and stumbled upon this video showing an upgraded LCD panel for the Lynx.
And since I legally own these Lynx games, I went ahead and downloaded them from one of those Rom sites to try on my Steam Deck,