32GB KIT (4 x 8GB) For ASUS ASmobile Motherboard P9 P9X79 PRO Q87 Rampage IV Extreme Formula GENE SABERTOOTH P67 X79 Z77 Z87. DIMM DDR3 NON-ECC PC3-12800 1600MHz RAM Memory. Genuine A-Tech Brand. 32GB KIT (4 x 8GB) DIMM DDR3 NON-ECC PC3-12800 1600MHz RAM Memory Genuine A-Tech Memory Lifetime Warranty Toll Free Technical Support 1-866-557-4527 Designed For ASUS ASmobile Motherboard. (See Compatibility List Below)