ASUS P1-P5945G Black. Maximum CPU clock speed supported: 3800 MHz, Processor family: Intel, Processor socket: Socket 775. Supported hard disk drive interfaces: ATA 100. Maximum internal memory: 2 GB, Memory slots: 2x DIMM, Supported memory types: DDR2 667/533/400. Graphic adapter: GMA 950. Audio output channels: 7.1, Audio system: ADI AD1988B