ASUS MB ASUS INTEL S478 P4P800-X ATX. Supported memory types: Dual-Channel DDR400, Maximum internal memory: 4 GB. Processors compatible: Intel Pentium 4/Celeron, Processor front side buses supported: 800/533/400 MHz. Dimensions (WxDxH): 305 x 208 mm. Networking features: Realtek 8100C 10/100 Mbps Ethernet controller. Cables included: 2 x Serial ATA cable 1 x UltraDMA 133/100/66 cable FDD cable