you can get 256gb of ssd on the internal just to load the payload, and use external ssd drive to store your games, to prevent corrupted games in case you get kernel panics
i've had over 400++ ps4 game titles but only few i play not even half of that number , before ps4 get jailbroken i used to play until i get the ending but now i get bored so easily don't know why, is it because i get it for free