Avolusion HDDGear 1TB USB 3.0 External Gaming Hard Drive (for PS4, PS4 Slim, PS4 Slim Pro) - 2 Year Warranty
How to Add an External Hard Drive to PlayStation — Bump Up Your Gaming! | Seagate Blog
Sonnics 1TB Black External Portable Hard drive USB 3.0 Compatible with Windows PC, Mac, Smart tv, XBOX ONE & PS4 : Amazon.co.uk: Computers & Accessories