Depending on your internet speed, the file download and drive switch combined shouldn’t take you more than 15-20 minutes. Just insert the drive, then in the PS4 menu go to settings > application saved data management > saved data in system storage. It took us a good 20 minutes or so to do all our files. The PlayStation 4 supports a variety of third-party hard drives that replace the standard 500GB 5400 RPM SATA II hard drive included in the system. Here you’ll see an option to copy your saves to a USB drive.