Asrock 4Core1333-GLAN/M. Supported memory types: DDR2 800/667, Maximum internal memory: 4 GB. Processor family: Intel, Processor socket: Socket 775, Processors compatible: Intel® Core™ 2 Extreme / Core™ 2 Quad / Core™ 2 Duo / Pentium® Dual Core / Celeron®. Audio system: ALC662, Audio output channels: 5.1. Width: 244 mm, Depth: 244 mm. LAN controller: Realtek RTL8111B/RTL8111C