Your search for "NCS-1100W-ACFW" revealed the following:
Cisco NCS-1100W-ACFW NCS Series 1100W AC Front-to-Back Airflow Power Supply
SKU: NSB-8169
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 533.99
• Only 1 remaining
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NEW Cisco NCS-1100W-ACFW NCS Series 1100W AC Front-to-Back Airflow Power Supply
SKU: NSN-9358
Condition: New
Shipping: Overnight Options
Warranty: 365 days
$ 544.99
• Only 2 remaining
Call if you need more