Eathtek Replacement CPU Cooling Fan for ASUS S400 S400C S400CA S400E X402 X402C X402E X402CA F402 F402C F402CA F502 F502C F502CA X502 X502C X502CA S500 S500C S500CA Series Compatible Model Numbers: ASUS S400 S400C S400CA S400E X402 X402C X402E X402CA F402 F402C F402CA F502 F502C F502CA X502 X502C X502CA S500 S500C S500CA 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.