This 2.54mm Pitch 20 Pin 20 Way female to female IDC Flat Rainbow Ribbon Cable 18 inch features one IDC (20 pin, Motherboard Header) Female connector and IDC (20 pin, Motherboard Header) Female connector. The cable is constructed of high-quality components and expertly designed to ensure durability and reliability. Please refer to the Technical Specifications to ensure your motherboard is compatible with this product.