Seagate Game Drive for PlayStation 4TB External Hard Drive Portable-USB 3.0 (Black)
Amazon
Seagate Game Drive 4TB External Hard Drive Portable HDD - Compatible With PS4 (STGD4000400) blue
Dihuni
Seagate STGD4000400 Game Drive 4 TB Portable Hard Drive – External – Black, Blue
Adorama
Seagate Game Drive 4TB USB 3.0 Bus Powered External HDD, Black/Blue