Accell Mini DisplayPort 1.2 to HDMI 1.4 Active Adapter - 4K UHD @30Hz, 2560x1600@60Hz - Retail Package HIGH DEFINITION: Supports 4K Ultra HD, WQXGA 2560x1600@60Hz, and 1920x1080@120hz 3D: 300 MHz clock rate supports stereoscopic 3D at 120Hz PLUG AND PLAY: No software or external power necessary COMPLIANT with DisplayPort 1.1 and 1.2, HDMI 1.4, DPCP, and HDCP WARRANTY: 2-Year replacement