This product is either discontinued or we cannot get that from suppliers.
Seagate 5TB Backup Plus Portable Drive STDR5000301, USB 3.0, External Portable, HDD, Silver, Data transfer 120 MB/s, PC or Mac.
The Seagate® Backup Plus portable drive offers the mobility of a portable with the high capacity of a desktop drive. Under a sleek metal design lies up to 5 TB of storage — twice the capacity of comparable 2.5-inch portable drives.