This product with three output ports, and you can choose one of them to use at a time as you demand, 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.
Input Signal:Mini Display Port 1.1a
Input: Mini Display Port Male 20pin
Output: HDMI Female Type A 19pin
Connector:DVI Female (24+1) VGA Female 15Pin
Vertical Frequency Range:50/60Hz
Video Amplifier Bandwidth:2.25Gbps/225MHz HDMI/DVI/VGA:480i/480p,576p,720p,1080i/1080p
External Power Supply:No external power needed
Power consumption (Max):700mW
Mac Book Air, Mac Book Pro, iMac, and Mac mini with thunderbolt ports since 2011 are all supported.
Mac Book Air, Mac Book Pro, iMac, and Mac mini or PC with mini display port are also supported.
How to use:
You can only plug a port among 3 output ports at one time, when you want to use the DVI output, you just need to connect the DVI devices with a DVI cable. And when you want to use the HDMI output, you just need to connect the HDMI devices with a HDMI cable. When you want to use the VGA output, you just need yo connect the VGA devices with a VGA cable.
You should assure that if your Mac has one of the following two kinds of port : mini Display port
1 x CableDeconn Mini Display Port Thunderbolt to DVI VGA HDMI Adapter cable
45 days money-back and 12-month, worry-free Guarantee!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