Eathtek Replacement CPU Cooling Fan for HP EliteBook 8440P 8440W series, Compatible part number 594049-001 GB0507PGV1-A (4 wires) Compatible Model Numbers: HP EliteBook 8440P 8440W 594049-001 GB0507PGV1-A Compatible Part Numbers: 594049-001 GB0507PGV1-A Replacement and high quality,Replace your faulty, cracked or broken fan. Each fan is tested before shipping All pictures are taken from the real item, please check carefully before bidding. Notes: The fans are produced by Forcecon,ADDA,Sunon,Kipo or any other manufacturers,you may receive any depending on the stocks.