LG UH6550 series 65 3840 x 2160 120 Hz LED-LCD HDTV 65UH6550 Maximum Resolution: 3840 x 2160 HDMI: 3 In LAN: 1 USB: 2 Digital Audio: 1 Optical Out Composite A/V: 1 In Component Video: 1 In Other Connectors: RF In (Antenna/Cable) x 1 RS232C (Mini Jack) x 1