ASUS P5KPL SE. Supported memory types: DDR2 1066/800/667, Maximum internal memory: 4 GB. Processor family: Intel, Processor socket: Socket 775, Processors compatible: Core™2 Quad/Core™2 Extreme/Core™2 Duo/Pentium® Extreme/Pentium® D/Pentium® 4/Celeron. Audio system: ALC662, Audio output channels: 5.1. Width: 305 mm, Depth: 203 mm. Networking features: Gigabit Lan, LAN controller: Realtek RTL8111C