Gigabyte GA-K8NS. Supported memory types: DDR400/ 333/ 266- 184pin, Maximum internal memory: 3 GB. Processor family: AMD, Processor socket: Socket 754, Processors compatible: AMD Athlon64. Audio output: Realtek ALC 850. Dimensions (WxDxH): 305 X 230 mm. Networking features: ICS 1883