Nyko's PlayStation 4 data bank lets you use 3.5 hardrives, meaning you can use up to 6TB in space

[mornelithe]

I'd be really concerned about the power solution they have there. Last gen PS3 cooling systems that plugged in over the back plug, caused issues...would def hold off and see what the reviews say.

EDIT: Maybe this has already been tested, just really leery of that, given the issues from last gen.