Intel LGA775: An LGA775 motherboard will accept an Intel LGA775 processor from the Intel Core2 Quad, Intel Core2 Duo, Intel Pentium D, Intel Pentium 4, and Intel Celeron lineups. We offer both ATX LGA775 motherboards and mATX LGA775 Motherboards to match your case and your specifications. Pick the right motherboard based on your specifications and whether it will be compatible with your processor. LGA775 motherboards are great for all types of builds from Single Core to Dual Core and to Quad Core setups.