crwdns2934241:0crwdne2934241:0 James Wages

crwdns2934249:0crwdne2934249:0:

Yes, you can "replace" the 4850 card in a late 2009 iMac 27", but I preferred to fix mine, which you can see in my rather comprehensive video here:

https://youtu.be/v1DXBLkiqFM

crwdns2915684:0crwdne2915684:0:

open