I-O DATA External Hard Drive 2TB EX-HD3CZ Power cable included USB cable included No instruction manual Operation confirmed with TV recording Only used for TV recording Please understand that this is a used item before purchasing. Digital Storage Capacity: 2 TB Hard Disk Interface: USB 1.1 Connectivity Technology: USB Brand: I-O DATA Hard Disk Form Factor: 3.5 inches Capacity: 2TB [Compatible PCs] Windows PC, Mac *To use with USB 3.0, the USB port and OS (including drivers) must support USB 3.0. If not supported, it will operate as USB 2.0. [Compatible TVs] Toshiba <REGZA>, Sony <BRAVIA>, Sharp "AQUOS", Sharp "ICCPURIOS", Panasonic "VIERA", LG LCD TV, Mitsubishi <REAL>, Hitachi "Wooo", Orion LCD TV, DX Antenna "DXBROADTEC", Hisense LCD TV (See manufacturer's HP for details on compatible models) [Compatible OS] Windows 10/Windows 8.1/Windows 8/Windows 7, macOS 10.12/Mac OS X 10.9~10.11 [Connection Standards] USB 3.0/USB 2.0 *Operating environment: Models equipped with either USB 3.0 or USB 2.0 ports (including models equipped with either USB 3.0 or USB 2.0 interface products) [Size] Approximately 34(W) x 172(D) x 115(H)mm *Excluding protrusions. 2TB I-O DATA external hard drive, compatible with TV recording and 4K, can be used for various purposes. - Brand: I-O DATA - Model Name: EX-HD3CZ - Capacity: 2TB