CABLEDECONN Mini Displayport Adapter, Mini DisplayPort 1.2V (Thunderbolt Port Compatible) to HDMI 4K/DVI/VGA Multi-Function Cable Converter Adapter 3-IN-1 Multi-Function Thunderbol Mini DisplayPort Male to HDMI/DVI/VGA Adapter Cable,Note: Only supports 1 display output connection at a time,A separate HDMI/DVI/VGA cable is required, not included DP DisplayPort V1.2 enables hight color range (supports Full HD 4K x 2K) over standard displayport connector,Please be aware that with an OS X Mavericks update (10.9 and later) Apple disabled 4K output on the vast majority of prevous Mac models. For a list of 4K-compatible Mac systems, please google HT202856 Lightweight and portable adapter for connecting a Mini DisplayPort (Thunderbolt port) to HDMI, monitor or projector with HDMI/DVI/VGA cable,Not compatible with Thunderbolt 3 (USB-C) ports HDMI and DVI Supports Full HD 4K*2K ,VGA is Eyefinity,Gold-Plated Thunderbolt Connector,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. Samsung U28D590D not compatible with Mac systems 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.Compatible with Apple Macbook, Macbook Pro, iMac, Macbook Air, Mac Mini, Surface Pro 1 2 3, ThinkPad Carbon X1 Series; Compatible objective device: Projector, display, HDTV, etc