Intel OEMD915GUXKG1 S775 800Fsb Ddr2 Matx Avl Wb Processor Class: Intel Pentium 4 Extreme&#44; Intel Pentium 4&#44; Intel Celeron D processor in an LGA775 Number of Processors Supported: 1. Chipset Used: Intel 915G. Front Side Bus Supported: 533/800 MHz. Memory Types Supported: 4 GB (max) DDR2 533 MHz and DDR2 400 MHz DIMMs (Dual channel).