Important things to know/do.
Returning Your Power SupplyKeep ALL accessories as you will ONLY be receiving a power supply in return. This includes, but is not limited to: Cables, Cable ties, Cable Bag, Posters, Stickers, Manuals, CDs, Games, T-shirts, Case Badges.
Power Supply WarrantyIf an RMA is necessary within 30 days of the original purchase date of a new in box Product, a new in box OEM replacement will be sent to the Original Purchaser in return, subject to availability.
Write your RMA number on the return package in order to ensure timely processing and prevent any delays.
You will pay shipping to EVGA and they will pay shipping back to you.
If you bought the PSU at a retailer, it may be better/faster/cheaper to return it to them..Check their return/replacement policies.
Welcome to the forums, by the way.