Hi i have a asus z87-c motherboard with 2 pciexpress x16 ports and it supports crossfire and my question is i have 4 1650x1050 monitors and if i bought 2 of these http://www.newegg.ca/Product/Product.aspx?Item=N82E16814102882 could i run all for screens i would need 2 screens running on vga and 2 on dvi but would this work?? thanks in advance