Your search for "a901-rckmnt-19in" revealed the following:

Cisco A901-RCKMNT-19IN ASR 901 Series 19

SKU: NSH-7841
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days

NEW Cisco A901-RCKMNT-19IN ASR 901 Series 19

SKU: NSN-7420
Condition: New
Shipping: Overnight Options
Warranty: 365 days