StarTech.com Mini DVI to DVI Video Cable Adapter for Macbooks and iMacs - video adapter - 20 cm

Add an external monitor to a mini DVI equipped Apple Macbook or iMac computer. This MINI DVI TO DVI-D Digital Female Video Adapter Cable allows the video signal from a mini DVI equipped device to be output to any digital display that supports DVI-D input - a cost-effective solution that lets you add an external monitor to an Apple MacBook or iMac computer, creating a simple dual monitor setup.