Vantec Mini DisplayPort Coupler, Female to Female - Straight (CBL-MDFF) Great for routing and extending the Mini DisplayPort Flexibility to configure the DisplayPort cabling to meet your needs. Compatible with Mac laptops using the Mini DisplayPort Compatible with the latest Mac system that uses the Mini DisplayPort over Thunderbolt Mini DisplayPort to Mini DisplayPort coupler. Not a thunderbolt to thunderbolt coupler Small and simple design, just Plug and Play. Put less strain on the port