Seagate 2TB Expansion Portable USB 3.0 External Hard Drive (STKM2000400) Storage Capacity : 2TB Connection Interface : 1 x USB 3.0 (USB Micro-B) Pre-Format : exFAT Internal Interface : SATA (Unspecified) Power Source USB Bus Power Cooling System Passive Dimensions (L x W x H) : 115.3 x 80.0 x 12.6 mm Weight : 0.16 kg