Seagate Expansion 10TB USB 3.0 Desktop External Hard Drive £167.98 Seagate Expansion Desktop, 10 TB, External Hard Drive HDD - USB 3.0 for PC Laptop and Two-year Rescue Services (STEB10000400).We’d mention other brands, but at this time only Western Digital and Seagate make drives of this capacity. It undercuts the IronWolf Pro 10TB and WD Red Pro 10TB by around 20-25%.In the Box Seagate 10TB Expansion Desktop USB 3.0 External Hard Drive USB 3.0 Cable (4.0' / 1.2m) Seagate Expansion Desktop Specs.There are just one and two platters respectively inside an enclosure measuring 0.782 or 1.02 inches high, 4 inches wide and 5.787 inches deep. The 3.5-inch FireCuda SSHD has only 1 and 2TB capacities, which seems disappointingly small. Seagate says that, with its 7,200rpm spin speed, the BarraCuda Pro is the fastest 10TB drive available.SEAGATE Ironwolf 10TB NAS Harddisk SATA 6GB/S NCQ, 256MB cache, NAS dr.