Can I use a PCI-e 2.1 video card in a PCI-e 2.0 motherboard?

earle

Distinguished
Aug 24, 2011
2
0
18,510
Hello,
Can I use a PCI-e 2.1 video card in a PCI-e 2.0 motherboard?
I have an older PC with PCI-e 2.0 but I want a new video card and all of the newer ones specify 2.1 are they interchangeable?