Based on the Intel 975X Express Chipset, the 975XBX2KR Socket 775 motherboard supports the Intel Pentium processor Extreme Edition, a 1066-MHz system bus, dual-channel DDR2 667 memory and multiple simultaneous PCI Express x16 graphics cards. Premium features such as Intel Matrix Storage Technology, 1394a, Intel High Definition Audio with support for 7.1 surround sound and Intel PRO 10/100/1000 LAN deliver a platform that can meet the needs of the most demanding applications, high-end games, and digital content creation.