Gigabyte GA-EP41-UD3L. Supported memory types: DDR2 800/667 MHz, Maximum internal memory: 8 GB. Processor family: Intel, Processor socket: Socket 775, Processors compatible: Core 2 Extreme / Core 2 Quad / Core 2 Duo / Pentium / Celeron. Audio output channels: 7.1. Width: 305 mm, Depth: 210 mm. Controller (2nd) interface type: IDE, Controller interface type: SATA