Your search for "ASR-9901" revealed the following:

Cisco ASR-9901 ASR 9901 Router Chassis

SKU: NSH-8791
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days

Cisco A9K-1600W-AC ASR 9901 Series 1600W AC Entry module Router Power Supply

SKU: NSH-8590
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days