This is a reliable HP 657239-001 Pro 6300 SFF Desktop LGA 1155 Motherboard that has been tested and is in good working condition. It is compatible with Intel CPUs and has four memory slots for DDR3 SDRAM. The model number is 657239-001 and it comes with the part number 656961-001.This motherboard is suitable for building or repairing a computer and is a great option for those looking for a high-quality product. It is a perfect fit for those who prefer a small form factor and want to use it for gaming or work purposes.