The functions of the port as followings:
1. DVI output, connect the DVI devices using a DVI cable.
2. HDMI output, connect the HDMI devices using a HDMI cable.
3. VGA output, connect the VGA devices using a VGA cable.
4. Mini Display Port, connect Mac Book, Mac Book Pro, or Mac Book Air.
Features:
1.Support Mini Display Port 1.1a Dual-mode input.
2.The HDMI can support audio output for iMac (Late 2009) and Mac Book Pro (Mid 2010)
3.Support HDMI/DVI/VGA output with the max resolution of 1920*1080p@60Hz, 225MHz/2.25Gbps per channel (6.75Gbps all channel), 12bit per channel (36bit all channel) deep color.
4. Automatic detect the display by plugging and unplugging it.
5. Powered from Mini Display Port source.