Nvidia 73.12 Driver
Nvidia Drivers Auto Detect
In order to get the most out of your new MacVidCards GPU you may need to install new drivers for your current version of OS X. Please note that AMD GPUs do not require additional drivers; they are built directly into OS X.Nvidia GPUs receive driver updates soon after each version update of OS X. Only one driver is released by Nvidia and it includes support for all of their modern GPUs.
You will not find individually named Nvidia drivers for OS X, they are all titled 'Quadro & Geforce Mac OS X Driver Release xxx.xx.xxxxx'. The following list includes links to current and past Nvidia driver releases.Some releases of OS X have multiple driver releases.
In the list below these are differentiated by a build number in parentheses, and are ordered oldest to newest, left to right. Refer here to check your and install the driver that matches both your version of OS X and your build number.Nvidia cards also require a CUDA driver to enable CUDA support.