HP ProBook 455 G1 Notebook Series AMD Socket FS1 218-0844012 GPU Laptop Motherboard 722824-001.HP Part Number: 722824-001Model Name: Python 14Compatible Part Numbers: 722824-501 722824-601 725168-001 725168-501 725168-601 48.4ZC03.011 6H.4ZCMB.003 12240-1Compatible Models: HP ProBook 455 G1 NotebooksPlease note: Motherboards are part number specific. You must order by the exact part number of the motherboard you are replacing; this is required in order to avoid returns, delays and restocking fees. You can NOT go by the model or serial number alone! We obtain cross reference and compatibility information from the manufacturer (as well as other various sources); while we do this to the best of our ability, we do not guarantee its accuracy. If you are unsure, please check with your laptop manufacturer. Please order, based on the part number only!