Dell PowerEdge 1950 G3 Series Generation III Intel Dual Socket LGA771 Server Motherboard H723K 0H723K CN-0H723K.Dell Part Number: H723K 0H723K CN-0H723KCompatible Part Numbers: J555H 0J555H CN-0J555H Compatible Models: Dell PowerEdge 1950 G3 SeriesSpecifications: Socket: 2x LGA 771 SocketsCPU Support: Intel Xeon 5000, 5100, 5300 or 5400RAM: 8x ECC DDR2 FB-DIMMsChipset: Intel 5000X