ASUS P7H55-V. Maximum internal memory: 16 GB. Processor family: Intel, Processor socket: Socket H(1156). Audio system: Realtek ALC887, Audio output channels: 7.1. Width: 305 mm, Depth: 211 mm. Controller (2nd) interface type: UltraDMA 133/100/66, Controller interface type: SATA 3.0 Gb/s