Your search for "NC55-RP" revealed the following:
Cisco NC55-RP NCS 5500 Series Route Processor
SKU: NSH-9960
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 5,119.99
• Only 2 remaining
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NEW Cisco NC55-RP NCS 5500 Series Route Processor
SKU: NSN-4793
Condition: New
Shipping: Overnight Options
Warranty: 365 days