Specifications: Capacity: 6 TB Type Stationary HDD Rotation Speed: Interface: USB 3.1 Gen1 (USB 3.0) Network Cooling Fan, Fanless, Supports Bus Power, Mac Compatible, Supports TV Recording, RAID Function, Shock Resistant, Hardware Security Function, Content Protection, Compatible with SeeQVault Size, Width x Height x Depth x Depth x Heightx Depth: 1.4 x 6.8 inches (35 x 172 x 172 mm)