Your search for "C6880-X-3KW" revealed the following:

Cisco C6880-X-3KW-AC Catalyst 6800X Series 3000W AC Switch Power Supply

SKU: NSH-3130
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days

$ 69.99

$ 84.99

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NEW Cisco C6880-X-3KW-AC Catalyst 6800X Series 3000W AC Switch Power Supply

SKU: NSN-2047
Condition: New
Shipping: Overnight Options
Warranty: 365 days

NEW Cisco C6880-X-3KW-DC Catalyst 6800X Series 3000W DC Power Supply Switch

SKU: NSN-2993
Condition: New
Shipping: Overnight Options
Warranty: 365 days