-- Posted by jamescoleman at 7:25 am on July 22, 2008 Have anyone had trouble with pci express 2.0 working on a x16 slot? especially in sli mode? looking to upgrade to two 9600 and take out my 7950 :( -- Posted by Darkane at 7:35 am on July 22, 2008 I think they should be compatible. Pci-e 2.0 scales back. -- Posted by jamescoleman at 4:37 pm on July 22, 2008 sweet!