http://www.asrock.com/mb/Intel/B85%20Pro4/?cat=Specifications
https://www.asus.com/Motherboards/VANGUARD_B85/specifications/
http://www.msi.com/product/mb/Z87G41_PC_Mate.html#/?div=Basic
http://www.gigabyte.com/products/product-page.aspx?pid=4594#sp
https://www.asus.com/Motherboards/VANGUARD_B85/specifications/
http://www.msi.com/product/mb/Z87G41_PC_Mate.html#/?div=Basic
http://www.gigabyte.com/products/product-page.aspx?pid=4594#sp