John Gurney @johngurney • Joined Nov 2012 • Active 6 years ago Remove Connection Are you sure you want to remove from your connections? Timeline Profile Connections Photos Forums Points Leader Badges Discussions Replies Favorites Discussions Replies Favorites Forum Replies Created John Gurney November 13, 2012 at 9:55 pm in reply to: Installing and connecting Quadro 4000 for Mac on my Mac Pro Just installed a Quadro 4000 last week. Removed the 4870, because you can run two monitors off the Quadro. (You’ll need a DVI adapter). Not sure why you would want both cards? That’s probably the conflict but just a guess. Sold the 4870 for $150.