VIA® PT880 Pro/PT880 Ultra Chipset LGA 775 for Intel® Core™ 2 Quad / Core™ 2 Extreme / Core™ 2 Duo / Pentium® XE / Pentium® D / Pentium® Dual Core / Pentium® 4 / Celeron® / Celeron® D, supporting Quad Core Kentsfield processors * Supports FSB1066/800/533MHz processors and H-T Technology * Supports Dual Channel DDRII667 (DDRII x 2 DIMM slots) and DDR400 (DDR x 2 DIMM slots) * Untied Overclocking : During Overclocking, FSB enjoys better margin due to fixed AGP/PCIE/ PCI Buses * 1 x PCI Express Graphics slot * 1 x AGP 8X slot * Hybrid Booster - Safe Overclocking Technology * 2 x Serial ATAII 3.0 Gb/s connectors, support RAID (RAID 0, RAID 1, and JBOD) and Hot Plug functions * HDMI_SPDIF header, providing SPDIF audio output to HDMI VGA card, allows the system to connect HDMI Digital TV/projector/LCD devices. * 5.1 CH Windows® Vista™ Premium Level HD Audio (ALC662 Audio Codec), 10/100 Ethernet LAN * Windows® Vista™ Premium 2007 Logo Ready * HD 8CH I/O: 4 ready-to-use USB2.0 ports, HD 5.1 channel audio jacks