MSI P45T-C51. Supported memory types: DDR2 667/800/1066, Maximum internal memory: 16 GB. Processor family: Intel, Processor socket: Socket 775, Processors compatible: Intel® Core 2 Extreme/Core 2 Quad/Core 2 Duo. Audio system: Realtek ALC889 / ALC885, Audio output channels: 7.1. Width: 305 mm, Depth: 220 mm. Networking features: 10/100/1000 Fast Ethernet, LAN controller: Realtek RTL8111C