THIS SALE IS FOR A Intel Core i5-2520M CPU Processor P/N SR048 04W0492 For Lenovo ThinkPad T420

COMPATIBILITY
We are not staffed to research/report compatibility concerns. Please understand that it is the buyer's responsibility to confirm compatibility prior ordering. This compatibility should be obtained by comparing the model and part number of the item from the listing to the one that the customer is attempting to replace. We only guarantee the compatibility if the part number is an exact match to the one that is being replaced.