Delanse New CPU Cooling Fan For ASUS X401U X501U P/N:13GN4O10M060-1 13GN4O1AM020-2 Please check both the model and picture before biding order. P/N:13GN4O10M060-1 13GN4O1AM020-2 Warranty:5 months quality There are a lot of version which suitable for the same model,please check your original carefully before order it For ASUS X401U X501U