ASUS P5WD2 Premium Intel 955X-chipset. Processor manufacturer: Intel, Processor socket: LGA 775 (Socket T), Compatible processor series: Intel® Celeron®, Intel® Pentium® 4, Intel® Pentium® D, Intel® Pentium® Extreme Edition. Memory, maximum: 8 GB, Flash memory: 8 MB. Network interface: Intel PCIe Gigabit LAN-controller, Marvell 88E8001 Gigabit LAN-controller. Motherboard form factor: ATX, Audio output channels: 7.1 channels, Audio chip: Realtek ALC882D. Controller 2nd interface type: ITE IDE, Controller interface type: Silicon Image 3132 SATA; UltraDMA 100/66/33; Serial ATA I/II, Audio output: Coaxial, Optical S/PDIF