The Sun Microsystems Sun 501-5606 E220R motherboard is a pre-owned  board designed for computer components and parts. This motherboard is specifically designed for use with Sun Microsystems equipment, offering reliable and high-quality performance. With its model number, users can easily identify and select the correct motherboard for their system, ensuring compatibility and functionality. Ideal for those in need of a refurbished motherboard for their Sun Microsystems setup, this product provides a cost-effective solution for maintaining or upgrading their system.