Is ASUS Maximus IV EXTREME the best asus board

[dyno_05]

I noticed that it has quad sli. Is that only for pci2. pci3 double sli and pci2 quad?

 

[Rockdpm]

Yea PCI Express 3.0 is backwards compatible with 2.0. So yes if it does quad SLI on 2.0 only... your still good as gold