Can we install pcie 3.0 graphics card in 2.0 pcie slot motherboard?

There are lot of doubts comes to our mind while we think of buying a new graphics card for our motherboard. The main thing we should make sure is that we have slot that can handle a graphics card. There are different version in pcie slots they are pcie1.0, 2.0 and 3.0.

All pcie graphics cards are backward compatible so there will not be any problem in installing a 3.0 pcie graphics card in 2.0 or even 1.0 slot. motherboard.