EVGA GeForce GTX 680 MAC 4GB 256-Bit GDDR5 PCI Express 2.0 Video Card Support Apple system and Win dual system... Apple system driver free - Newegg.com
How to Flash GTX 680 for Mac - YouTube
Amazon.com: EVGA GeForce GTX680 2GB GDDR5 DisplayPort DVI-I, DVI-D HDMI Graphics Card for Mac 02G-P4-3682-KR : Electronics
EVGA GeForce GTX680 2GB GDDR5 DisplayPort DVI-I, DVI-D HDMI Graphics Card for Mac 02G-P4-3682-KR : Electronics - Amazon.com