i currently have 8GB single module pc3-12800 1600mhz DDR3
and i have ordered a Kingston HyperX black 4 GB RAM Module DDR3 1600 MHz Unbuffered 240-pin – DIMM
my pc
http://www.asus.com/Desktops/ROG_CG8480/#specifications
and i have ordered a Kingston HyperX black 4 GB RAM Module DDR3 1600 MHz Unbuffered 240-pin – DIMM
my pc
http://www.asus.com/Desktops/ROG_CG8480/#specifications