Intel Core; Extreme Quad and Duo processors in LGA775 Package (FSB 1333/1066/800) 2. Intel G45 + ICH10 Chipset; Up to 8GB dual channel unbuffered non-ECC DDR3 1333/1066/800 SDRAM; RealtekRTL8111C Gigabit Ethernet Controller; Built-in SATA2 Controller 6x SATA (3Gbps); 1 (x16) PCI-Express 2.0 1 (x4) PCI-Express (using x16 slot) (x1) PCI-Express 2x 32-bit PCI slots 7. High Definition Multimedia Interface (HDMI); Realtek ALC888 HD 7.1 Channel Audio 9. Total 12 USB 2.0 ports 6 rear + 2 on-board + 4 headers; 2 IEEE 1394aheaders