1PCS USED Cisco 3900 Series AC Power Supply PWR-3900-AC tested. Thank you for your support. We are not responsible for undeliverable address. Dear friend, your happy is very important to me!We stand behind every product we sell. You can enjoy top-quality product and high-quality services from us, Trust me that you will have a pleasant shopping experience in here. We will be happy to assist you. We would try our best to serve you with any question / problem. This item is in the category "Computers/Tablets & Networking\Computer Components & Parts\Power Supplies". The seller is "weixia-parts" and is located in this country: CN. This item can be shipped worldwide.