Thanks! Stupid question: if I don't want to spend fifty cents an hour to play with it, and have a machine with lots of RAM, is it possible to hold the model in

Thanks! Stupid question: if I don't want to spend fifty cents an hour to play with it, and have a machine with lots of RAM, is it possible to hold the model in RAM instead (rather than VRAM)? I'm sure this would be a serious slow-down, but it seems possible?