crwdns2934241:0crwdne2934241:0 onygen

crwdns2934249:0crwdne2934249:0:

I can confirm that HD 4850 from imac 2009 is compatible with imac 2011. I had the whole cooler so you dont need any disassembly just replace the whole gpu with cooler and it works

crwdns2915684:0crwdne2915684:0:

open