Originally Posted by Chim3ra
I don't believe there are still too many products out that are made to use the x1 slots yet. Above is an video card designed to run on a x1 slot.
Originally Posted by YiffyGriffy
Well all PCI-E is backwards compatible, you can put a x16 card in a x1 slot, it'll just run like crap. You can also put a x1 card in a x16 slot, but again, no point (I am not responsible if someone kills something by trying this, only just read it somewhere). I've heard of network and disk drive controllers for PCI-E x1, nothing else. New sounds cards and such will probably start using it. But you also have to ask "what uses regular PCI any more?" Basically disk drive and network controllers.