BETA support is for i Mac 14,2 / 14,3 (2013), i Mac 13,1 / 13,2 (2012) and Mac Book Pro 11,3 (2013), Mac Book Pro 10,1 (2012), and Mac Book Pro 9,1 (2012) users.
To download and install the drivers, follow the steps below: STEP 1: Make sure your Mac OS X software version is v10.11.1 (15B42).
And the PCI-e form factor is popular in PC motherboard manufacture. Again, fairly widely supported in the world of PCs.
The problem isn't the availability of cards that fit into the slot your Mac Pro might have - it's driver support.
In the vast majority of cases, you won't be able to upgrade the graphics card on your Mac.
There are exceptions, but even then it's not trivial or recommended for most users.
Macs - and Apple itself - are famously resistant to many forms of user upgrade.
If you're using a third-party video card -- one that didn't come with your Mac when you bought it -- you might need to upgrade the drivers.
You should also check to make sure your video card drivers are up to date before installing a new version of a Mac operating system.
Click the More Info button to see the exact build version number (15B42) in the Software field.
STEP 2: If your OS X software version has not been updated, in the About This Mac window, click on the Software Update button STEP 3: Continue to install software updates until your system OS is reported to be v10.11.1 (15B42) STEP 4: Review the NVIDIA Software License.