Asrock 4CoreN73PV-HD720p R1.0. Supported memory types: DDR2 800/667/533, Maximum internal memory: 4 GB. Processor family: Intel, Processor socket: Socket 775, Processors compatible: Core 2 Extreme / Core 2 Quad / Core 2 Duo / Pentium Dual Core / Celeron. Audio output channels: 5.1. Width: 244 mm, Depth: 203 mm. Controller (2nd) interface type: IDE, Controller interface type: SATAII, RAID levels: 0, 1, 5, 1+0, JBOD