Gigabyte GA-K8NSC-939. Supported memory types: Dual channel DDR400/333/266, Maximum internal memory: 4 GB. Processor family: AMD, Processor socket: Socket 939, Processors compatible: AMD Athlon64/ 64 FX. Audio system: Realtek ALC850 Audio AC"97. Dimensions (WxDxH): 305 x 244 mm, Width: 305 mm, Depth: 244 mm. Networking features: Marvell 8001