Your search for "PWR-C49M-1000AC" revealed the following:
NEW Cisco PWR-C49M-1000AC Catalyst 4900M Series 1000W AC Switch Power Supply
SKU: NSN-4507
Condition: New
Shipping: Overnight Options
Warranty: 365 days
$ 135.99
• Only 2 remaining
Call if you need more
Cisco PWR-C49M-1000AC Catalyst 4900M Series 1000W AC Switch Power Supply
SKU: NSH-3002
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 39.99
• Only 2 remaining
Call if you need more