Your search for "A901-6CZ-F-D" revealed the following:
Cisco A901-6CZ-F-D ASR 901 Series 10GB (DC) Router Chassis
SKU: NSH-7757
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 459.99
• Only 2 remaining
Call if you need more