NewerTech 6' Mini DisplayPort Male to Mini DisplayPort Male Cable

Works with any Mac or PC with a Mini DisplayPort
This NewerTech cable will allow you to pass through audio and video from your Mini DisplayPort equipped Mac to a 27" Apple iMac via Apple's 'Target Display Mode' to make use of its large screen and audio system. Additionally, you can use this high quality cable to connect a Mini DisplayPort equipped Mac or PC to a display/monitor with an available Mini DisplayPort input connection.

Works with (Mini DisplayPort)
MacBook, MacBook Pro, MacBook Air, iMac, Mac mini and Mac Pro.