Appearance Dimensions: 172.4 mm x 152.4 mm x 44.8 mm (6.79" x 6.00" x 1.76") Weight: 1040 g (36.68 oz) Interface USB Type: USB Type Micro-B to USB Type A Connection Interface: USB 3.1 Gen 1 (USB 5Gbps) Storage Capacity: 4 TB/8 TB Storage Media: 3.5" HDD