Asrock P55 Extreme. Supported memory types: DDR3 2600/2133/1866/1600/1333/1066 MHz, Maximum internal memory: 16 GB. Processor family: Intel, Processor socket: Socket H(1156), Processors compatible: Core i7/i5. Audio system: ALC890, Audio output channels: 7.1. Width: 305 mm, Depth: 244 mm. RAID levels: 0, 1, 10, 5