A900-PWR550-D Cisco ASR 900 550W DC Power SupplyBrand: Cisco Model: A900 PWR550 D Description: Cisco ASR 900 Power Supply A900 PWR550 D ASR 900 550W DC Power Supply Condition: USED TESTED WORKS AS EXPECTED 30 Day Money Back Guarantee With Seller Paid Return Shipping Used: An item that has been used previously. The item may have some signs of cosmetic wear, but is fully operational and functions as intended. This item may be a floor model or store return that has been used. See the sellers listing