Wishlist Quick view CISCO Cisco C4KX-PWR-750AC-R 750W Redundant Power Supply for Catalyst 4500X $358.55 $243.91 CISCO C4KX-PWR-750AC-R 750 WATT AC FRONT-TO-BACK COOLING POWER SUPPLY FOR CISCO CATALYST 4500X. NEW RETAIL FACTORY SEALED. IN STOCK. Compare Add to Cart Add to Wishlist