Where is the Mini DisplayPort on an iMac late 2012
iMac, OS X Mavericks (10.9), late 2012
The Thunderbolt ports provided support for both data (PCIe bus) and video (DisplayPort). You can use either Thunderbolt port to drive a Thunderbolt, Mini DisplayPort, Displayport, DVI, or VGA monitor, though you may need an adapter in some cases.
Where is the Mini DisplayPort on an iMac late 2012