Intel Desktop Board DG31PR. Processor family: Intel, Processor socket: Socket 775, Processors compatible: Intel® Core™2 Quad, Intel® Core™2 Duo, Intel® Pentium® Dual-Core, Intel® Celeron® 400. Audio system: Realtek ALC888, Audio output channels: 5.1. Width: 218.44 mm, Depth: 243.84 mm. Networking features: Gigabit (10/100/1000 Mbits/sec) LAN, LAN controller: Realtek RTL8111-GR. Graphic adapter: GMA 3100