YDLan NEW Lenovo Thinkpad X220 X220i X220s X230 Series Laptop CPU Fan + Heatsink 04w6921 New and high quality Package includes 1 pcs Cooling fan with heatsink Please check both the model and picture before placing order 4 Wire Notes: The fans are produced by Forcecon,ADDA,Sunon,Kipo or any other manufacturers,you may receive any depending on the stocks.