Power wire-less motherboards pump 1,500W over 50-pin connector
One power connector to rule them all.
a BTF3.0 compliant PSU has a 50-pin header that physically connects to the back of a BTF3.0 motherboard and turfs all the cables and clutter they introduce. this connect can let you use PSU up to 1500w. Asus and MSI have already supported earlier implementations, so they appear to be onboard.
I look forward to seeing if more info is given at CES!