Will PCI Express 3.0 x16 work with PCIe 2.0 x16?

Skeefers

Honorable
Aug 7, 2013
518
0
11,360
Yes, I use 2 GTX 660 Ti's (both PCIe 3.0 x16) on PCIe 2.0 x16 slots on my mobo, and they work fine. The card won't be able to transfer data to your system as quickly as it is capable of, but it will still function properly.