CABLEDECONN Multi-Function Mini DisplayPort Adapter DP Thunderbolt to HDMI 4k VGA DVI Cable Converter The Cobra Appearance for MacBook Suface Pro Air 3-IN-1 Mini DisplayPort Male to HDMI/DVI/VGA Adapter Cable converter,Note: Only supports 1 display output at a time A separate HDMI/DVI/VGA cable is required, not included, Not compatible with Thunderbolt 3 (USB-C) ports Support Mini Display Port 1.1a Dual-mode input.Mini DisplayPort is NOT compatible with Macs (before 2008) that have Mini-DVI. Please check your port before purchase The HDMI can support audio output for iMac (Late 2009) and Mac Book Pro (Mid 2010),Macs made before 2010 are NOT able to output audio over Mini DisplayPort. More info and then check the Model Identifier field in Hardware Overview Support HDMI/DVI/VGA output with the max resolution of 1920x1080p@60Hz, 225MHz/2.25Gbps per channel (6.75Gbps all channel), 12bit per channel (36bit all channel) deep color. Automatic detect the display by plugging and unplugging it. Powered from Mini Display Port source.This cable can only pass signal from Mini DisplayPort to HDMI/DVI/VGA port. It is not a bi-directional cable. When connect to monitor ,audio will not pass through the adapter to the HDMI/VGA/DVI monitor (a speaker is needed to get audio out );When connect to TV, only HDMI port can have audio out , VGA and DVI ports need a speaker to get audio out. Samsung U28D590D not compatible with Mac systems