3DS ones have to be installed inside, and are really really expensive.
Wii U ones not so expensive, as they record the TV.
But what about the Switch? The capture card would have to be installed inside the Switch, right? Because if you wanted to record and then continue on the go, then inside the screen would be logical.
But what if you played on the TV? The screen doesn't show anything when the Switch is docked.
How do you think capture cards will work?
Discussion started at here by MrCafecito