Originally Posted by TonCrafter
I'm looking to upgrade my video card from my current 7900GTX to an ATI HD5850. I know it's a PCI Express 2.1 card. My question, and Im sure you've heard this before...will it work in my mobo? I'm pretty sure it's only 1.1. Some say it will work fine, but others say it won't.
I've been out of the loop on pc building for quite a while recently. Any help would be much appreciated.
They are all compatible, a PCIE 1.1 (and 2.1) video card would work in a PCIE 2.0 slot and a PCIE 2.1 video card can work with a PCIE 1.1 slot. But I believe there will be some bottlenecking since PCIE 2.0 is supposedly twice as fast as PCIE 1.1.
Edit : Forgot to say that there are also some 2.0 cards that do not work well in a 1.0 port, all in all I wouldn't take the risk and I would upgrade the motherboard if possible.