Your search for "nxa-pac" revealed the following:

NEW Cisco NXA-PAC-500W-PI 500W AC F-B (Port Side Intake) Power Supply for N9K

SKU: NSN-6668
Condition: New
Shipping: Overnight Options
Warranty: 365 days

NEW Cisco NXA-PAC-1200W-PE 1200W AC B-F (Port Side Exhaust) Power Supply for N9K

SKU: NSN-0628
Condition: New
Shipping: Overnight Options
Warranty: 365 days

NEW Cisco NXA-PAC-1100W-PE2 1100W AC Back-to-Front Airflow Switch Power Supply

SKU: NSN-4529
Condition: New
Shipping: Overnight Options
Warranty: 365 days

NEW Cisco NXA-PAC-1100W-PI2 1100W AC Front-to-Back Airflow Switch Power Supply

SKU: NSN-4648
Condition: New
Shipping: Overnight Options
Warranty: 365 days

NEW Cisco NXA-PAC-2KW-PI 2000W AC Front-to-Back Airflow Switch Power Supply

SKU: NSN-4650
Condition: New
Shipping: Overnight Options
Warranty: 365 days

NEW Cisco NXA-PAC-500W-B 500W AC Front-to-Back Airflow Switch Power Supply

SKU: NSN-7173
Condition: New
Shipping: Overnight Options
Warranty: 365 days

Cisco NXA-PAC-2KW-PE 2000W AC Port Side Exhaust Switch Power Supply

SKU: NSH-8376
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days

Cisco NXA-PAC-1100W-PI2 1100W AC Front-to-Back Airflow Switch Power Supply

SKU: NSH-8373
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days

Cisco NXA-PAC-350W-PE Nexus 9000 Series 350W AC B-F Airflow Power Supply

SKU: NSB-8474
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days

NEW Cisco NXA-PAC-2KW-PE 2000W AC Back-to-Front Airflow Switch Power Supply

SKU: NSN-4651
Condition: New
Shipping: Overnight Options
Warranty: 365 days