Asrock Wolfdale1333-GLAN R2.0. Maximum internal memory: 4 GB. Processor family: Intel, Processor socket: Socket 775, Compatible processor series: Dual Core Core™ 2 Extreme / Core™ 2 Duo / Pentium® Dual Core / Celeron. Audio system: ALC662, Audio output channels: 5.1. Width: 305 mm, Depth: 191 mm. Networking features: Gigabit LAN, LAN controller: Realtek RTL8111C