PS4 uses a 5400 RPM SATA II hard drive. Users can install anything less than “9.5mm & 160GB+”
[Upgrade: find the test results of upgrading a PS4 hard drive with a hybrid or SSD drive here.]
Sony has announced specifics about the PS4‘s hard drive for those who want to install their own. The PlayStation 4 takes a 5400 RPM SATA II hard drive and you can replace that with anything as long as it’s, “no thicker than 9.5mm, and is larger than 160GB”. External storage is not supported.
A German site recently published images showing you how to change a PS4 hard drive which is apparently a simple process. Here’s the official word from Sony on upgrades and external drives:
Will users be able to replace PS4’s stock 500GB hard drive? What hard drive sizes are supported?
PS4 owners will be able to replace PS4’s standard hard drive. PS4’s hard drive is used to store downloaded game and video content, game save files, gameplay movies and images, and more.
What type of hard drive does PS4 use?
PS4 is equipped with a 5400 RPM SATA II hard drive. Users can choose to install a new hard drive so long as it complies with these standards, is no thicker than 9.5mm, and is larger than 160GB.
Will users be able to connect an external hard drive to expand storage on PS4?
No, this feature is not supported on PS4.