Tripp Lite's P137-000-VGA Mini-Displayport 1.2 to VGA Adapter allows you to connect a Mac or PC with a Mini-Displayport output to a VGA monitor. Compatible with the Thunderbolt port on Mac computers. Supports computer video resolutions up to 1920 x 1200, and HD resolutions up to 1080p. Fully-molded compact one piece designs ensures long life enjoyment. It features a simple plug and play design with an integrated chip that converts the digital Mini-Displayport signal to analog VGA; no drivers or setup needed. Simply plug the adapter into your Mini-Displayport source and connect your VGA cable between it and your monitor.