Eathtek Replacement CPU Cooling Fan with Heatsink for IBM Lenovo ThinkPad X1 Carbon 04W3589 04X3829 0C54435 series (Note:The Copper of this fan was oxidized, and the thermal are not well-distributed.) The Copper of this fan was oxidized, and the thermal are not well-distributed. The fan is never used. Please check the picture for more details, if you mind this please consider other choice. Compatible Model Numbers: IBM Lenovo ThinkPad X1 Carbon 04W3589 04X3829 0C54435 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.