Yeah, I’ve filled 256GB pretty easily by recording on an action camera all day, maybe for a couple of days. 4TB would be very convenient for a holiday.
Jokes aside, I think what you’re looking for is called a multiviewer. You want a 2x1 multiviewer to get a view like that, though it might be split vertically rather than horizontally.
Yeah, I’ve filled 256GB pretty easily by recording on an action camera all day, maybe for a couple of days. 4TB would be very convenient for a holiday.