Best motherboard for i7-4790k and R9 390

Tradesman1

Legenda in Aeternum
Might look at the Asus Z97-E either the regular or the newer w/ USB 3.1

http://www.newegg.com/Product/Product.aspx?Item=N82E16813132512

top of the budget would be the Z97-A, great mobo ;)

http://www.newegg.com/Product/Product.aspx?Item=N82E16813132510