Cisco PWR-4450-1000W-AC Cisco power supply / PSU

Brand: Cisco | Category: UPS & Power Protection

SKU: CSC-PWR-4450-1000W-AC | Part #: PWR-4450-1000W-AC | MPN: PWR-4450-1000W-AC

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The Cisco PWR-4450-1000W-AC is a genuine Cisco internal power supply designed specifically for the Cisco ISR 4451-X Integrated Services Router, a workhorse platform in enterprise branch offices and regional data centres across the GCC and Asia-Pacific. At 1000W output capacity, this unit delivers the sustained power draw required by mid-to-high density ISR deployments running multiple service modules, encryption engines, and WAN interface cards simultaneously. Network engineers and infrastructure operations teams select this PSU because it bridges the gap between compact form factor and genuine redundancy support—a combination that matters when your branch router is the last mile between headquarters and remote locations.

What distinguishes the PWR-4450-1000W-AC in field deployments is its hot-swappable architecture and 1+1 redundant configuration capability. Unlike fixed power supplies that require a full system shutdown for replacement, this Cisco unit can be removed and installed without interrupting router operation when paired with a second unit. This is not a theoretical advantage: when a PSU fails at 3 a.m. on a Friday, the ability to swap it in live means your WAN link stays up and your users stay connected. The redundancy model (requiring two PWR-4450-1000W-AC units installed in parallel) is a standard design pattern for business-critical branches and colocation facilities where SLA breaches cost money faster than hardware replacement can be expedited.

Input flexibility is engineered for global deployment. The PWR-4450-1000W-AC accepts 100–240V AC across 50–60 Hz mains, with an IEC 60320 C14 connector that matches standard facility power distribution in every data centre from Dubai to Singapore. Cisco designed this supply to handle the voltage sag and frequency drift common in older office buildings and shared colocation racks—not uncommon in enterprises occupying pre-2010 leasehold space. The internal form factor means no external brick clutter on your router shelf, and the field-replaceable module design means parts inventory is straightforward: stock one or two spare units and you've covered your redundancy and replacement needs without overbuilding stock.

Genuine Cisco manufacture and Cisco TAC support eligibility are built into this part number. The PWR-4450-1000W-AC carries full Cisco warranty and qualifies for standard TAC support contracts, which means if power delivery behaves oddly, Cisco support engineers have telemetry and replacement protocols at their fingertips. Third-party PSUs may seem cheaper upfront, but they fracture your support chain and create finger-pointing delays when failures occur. For network operations centres managing dozens or hundreds of Cisco routers, using genuine Cisco power supplies across the fleet eliminates variables from the troubleshooting matrix.

Omnixon Global stocks the Cisco PWR-4450-1000W-AC as part of our complete ISR 4000 Series ecosystem—part number PWR-4450-1000W-AC is available for immediate order across our UAE and GCC distribution network, with support for direct shipment to data centres, branch offices, and colocation facilities throughout the region and into Asia-Pacific. Our technical team can validate compatibility with your specific ISR configuration and advise on redundancy architecture for your deployment profile. To request a quote or discuss integration requirements for your Cisco infrastructure, contact our sales team directly.

Power Supply Specifications and Redundancy Configuration

• Output Power Rating: 1000W continuous, supporting full ISR 4451-X service module load profiles
• Input Range: 100–240V AC, 50–60 Hz, with IEC 60320 C14 connector for global facility compatibility
• Hot-Swap Capable: Yes—removal and installation without system shutdown when redundant pair is configured
• Redundancy Model: 1+1 configuration supported; second PWR-4450-1000W-AC unit enables active-standby or load-sharing deployment patterns
• Form Factor: Internal, field-replaceable module; no external footprint on equipment shelf or cable routing
• Manufacturer Support: Genuine Cisco with full TAC eligibility; covered under standard Cisco maintenance contracts
• Condition: New, OEM, sealed—not refurbished or grey-market inventory