Matrox DualHead2Go Digital ME - (D2G-DP2D-MIF) Maximum DVI Resolution: 3840x1200, Input connector: 1 x DisplayPort input, Output connectors: 2 x DVI-D outputs, Power: USB for power Clone Mode / Stretched Desktop Support / PowerDesk Software: Yes Hardware included: One 3-foot USB cable, One Mini-DisplayPort to DisplayPort input cable, Getting Started CD Supported Operating Systems: Mac OS X Yosemite (10.10), Mac OS X Mountain Lion (10.8), Mac OS X Lion (10.7), Mac OS X (10.6, 10.5) System Requirements: Single Mini DisplayPort / Thunderbolt video output on a compatible system, Powered USB connector, Display driver supporting 2048x768 or higher resolution