I'm sure the geeks have already done this but you can pull the drive out from the enclosure and use it to upgrade your ps4. Oddly it is cheaper to buy it with the enclosure than without. currently $99
Seagate Backup Plus Slim 2TB Portable External Hard Drive with 200GB of Cloud Storage & Mobile Device Backup USB 3.0 (STDR2000100) - Black: Amazon.ca: Computers & Tablets