External hard drive with a 4TB capacity, USB 3.0 connection, compatible with PC and TV, and equipped with a cooling fan. - Brand: I-O DATA - Capacity: 4TB - Connection: USB 3.0 - Compatible Devices: PC, TV - Features: Cooling fan - Recording Time: Approximately 502 hours (terrestrial digital) - Recording Time: Approximately 354 hours (BS digital) Thank you for viewing. This item has been stored without being used. Please understand that the functionality has not been tested.