Asrock 4Core1600-D800. Supported memory types: DDR2 800/667, Maximum internal memory: 4 GB. Processor family: Intel, Processor socket: Socket 775, Processor front side buses supported: 1600/1333/1066/800 MHz. Audio system: HD Audio, Audio output channels: 5.1. Networking features: 10/100. Maximum graphic adapter memory: 384 MB, Graphic adapter: GMA 3100