Designed for intel core processors the asus h81 series features exclusive asus 5x protection technology for superior reliability and is available in a range of specifications that cater for a variety of pc needs the asus h81 series features two ddr3 dimm slots for up to 16 gb ram one pci express x16 slot and two sata 6 gbits ports the model also includes the latest asus uefi bios realtek 71 audio and usb 30 with usb 30 boost technology for data transfer rates up to 17 times faster t