Please be informed the part # of the SWITCHING POWER SUPPLY is 1AF00446DAAA.
1. Please be informed if four sets of power supply is damaged then you need to place order for 4 parts in the Ebuy.
2. Also be informed if the unit is faulty within 30 days of the ship date then you will get a new unit as a replacement or else you will receive refurbished unit only.
Kindly let us know how to proceed further with your request.