Genuine Original Dell XPS L501X Series Laptop Motherboard C9RHD 0C9RHD CN-0C9RHD.Dell Part Number: C9RHD 0C9RHD CN-0C9RHD Compatible Part Numbers: 31GM6MB0000 31GM6MB0020 DAGM6BMB8F0Compatible Models: Dell XPS L501X Notebook Series Specifications: 3 x Audio PortsHDMI PortRJ-45 (LAN)FireWire PorteSATA PortCard ReadernVIDIA Graphics