Asus WS-X299 Sage can take an entire deck of PCIe cards
 

Do you recall about two weeks ago when we informed you of the then-upcoming Asus WS-X299 Pro mobo? As it turns out, that motherboard has a bigger brother. "Sage" appears to be Asus' branding for its top-tier workstation boards, and the WS-X299 Sage certainly seems to fit the bill. Even though Core i9 CPUs already offer 44 lanes of PCIe connectivity to begin with, Asus goes one better and includes a PLX switch to split those PCIe lanes into a much wider arrangement.

http://techreport.com/news/32820/asu...-of-pcie-cards