Asrock H55M-GE R2.0. Supported memory clock speeds: 1066, 1866, 2133, 2600 MHz, Maximum internal memory: 16 GB. Processor family: Intel, Processor socket: Socket H(1156). Audio output channels: 5.1, Audio system: VIA VT1705. Width: 244 mm, Depth: 221 mm. Networking features: Gigabit LAN 10/100/1000 Mb/s, LAN controller: Realtek RTL8111E