Your search for "XN-ACPWR-750W-F" revealed the following:
NEW Extreme XN-ACPWR-750W-F 750W AC Front-to-Back Airflow Switch Power Supply
SKU: NSN-4109
Condition: New
Shipping: Overnight Options
Warranty: 365 days
$ 979.99
• Only 2 remaining
Call if you need more
Extreme XN-ACPWR-750W-F 750W AC Front-to-Back Airflow Switch Power Supply
SKU: NSH-8497
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 939.99
• Only 2 remaining
Call if you need more
Extreme XN-ACPWR-750W-F SLX 9150 Series 750W AC F-B Airflow Switch Power Supply
SKU: NSB-0096
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
NEW Extreme XN-ACPWR-750W-F SLX 9150 Series 750W AC F-B Air Switch Power Supply
SKU: NSN-0153
Condition: New
Shipping: Overnight Options
Warranty: 365 days