Your search for "pwr-4320" revealed the following:
Cisco PWR-4320-POE-AC 341-0703-01 AC Power Supply for 4321 ISR Router
SKU: NSH-8847
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 202.99
• 8 in stock
Call if you need more
Cisco PWR-4320-AC AC Power Supply for 4320 ISR Router
SKU: NSH-6647
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 81.99
• Only 2 remaining
Call if you need more
NEW Cisco Meraki MS120-8LP-HW 8x 1GB PoE+ 67W RJ45 2x SFP Unclaimed Switch w/PWR
SKU: NSN-4320
Condition: New
Shipping: Overnight Options
Warranty: 365 days
$ 359.99
• Only 2 remaining
Call if you need more
NEW Cisco PWR-4320-AC ISR 4000 Series AC Power Supply for 4320 Router
SKU: NSN-6102
Condition: New
Shipping: Overnight Options
Warranty: 365 days
NEW Cisco PWR-4320-POE-AC AC Power Supply for 4321 ISR Router
SKU: NSN-5964
Condition: New
Shipping: Overnight Options
Warranty: 365 days