Final Fantasy XIV is now available on the PlayStation 4 in the form of a beta. The game plays as well as you can expect given the PS4's powerful hardware, which allows it to look as good as its counterpart on the PC.
In any case, it's possible to upgrade the default hardware of the PlayStation 4 by replacing the built-in hard drive with a solid state drive, as the PS4 system allows for it. To that end, what better way to test the drive's performance than to play Final Fantasy XIV on the PS4?