for those concenred about space -
assuming you can still do this on the pro, but i bought a portable 2TB HD, opened up the case and the HD inside is the same size/style as a PS4 HD. You'll have to do some research, and it's time consuming, but basically you can copy your entier PS4 to a PC, then onto the HD that came in the portable, and put that in your PS4. I did that with my launch PS4, and haven't had to delete a game since. also wiped the OG ps4 HD and now have a 500gb portable.
should be youtube tutorial out there, it wasn't difficult at all.
just looked back, someoned linked a youtube video on pg 55 of this thread.