Gigabyte GA-P55-US3L. Maximum internal memory: 16 GB. Processor family: Intel, Processor socket: Socket H(1156), Compatible processor series: Intel Core i7. Audio system: Realtek ALC888, Audio output channels: 7.1. Width: 305 mm, Depth: 190 mm. Controller interface type: iTE IT8720, RAID levels: 0, 1, 10