I read somewhere that this is not possible? Or is it? Any chance I'll be able to add thunderbolt to my 2008 Mac Pro? Yeah I brought this up in some older TB thread and the general consensus was it was ...

Real fast, but one fatal flaw.

Apple's Mac Pro isn't the only Mac in the lineup that can use PCIe expansion cards. Here are the best PCIe chassis expansion enclosures you can use to expand nearly every Mac made in the last seven ...