Find Cisco power supplies for switches, routers, firewalls, wireless controllers, and modular platforms where wattage, AC or DC input, PoE budget, airflow direction, redundancy mode, power cord, hot-swap support, and platform compatibility are critical. Match each PSU to the exact Cisco chassis or fixed device, software notes, environmental design, spare policy, and support status before ordering.
Showing 1–20 of 39 results
3kW AC Power Module – ASR 9000 Version 1 Power
2100W AC PSU – Catalyst 9400 – Platinum Rated
3200W AC PSU – Catalyst 9400 – Platinum
3200W AC PSU – Catalyst 9400 – Titanium Rated
3200W DC Power Supply – Catalyst 9400
1500W AC PSU – Catalyst 9500X – Platinum Rated
1500W DC PSU – Catalyst 9500X – Hot-Swappable FRU
1600W AC PSU – Catalyst 9500 C9500-32C
1600W DC PSU – Catalyst 9500 C9500-32C
650W AC PSU – Catalyst 9500 High Performance
650W AC PSU – Catalyst 9500 High Performance – WACL Variant
930W DC PSU – Catalyst 9500 High Performance
Power Cube 4 – IP Phone Local Power
3 kW AC Power Supply – Hot Swappable – Cisco MDS 9700 Series Directors
400W AC PSU – Secure Firewall 3100 Series
3000W AC Power Supply – Port-Side Intake – Nexus 9500
ISR 4430 AC PSU – No PoE – Replacement
ISR 4450 AC PSU – ISR 4350 Spare – No PoE
1100W AC PSU – Catalyst 9300 C1 – Platinum Rated
Cisco power supplies provide operating power and redundancy for Cisco switches, routers, firewalls, controllers, and chassis systems. They are used for replacement, expansion, PoE capacity upgrades, spare inventory, and high-availability designs.
Choose by exact device model, power-supply bay, wattage, AC or DC input, PoE budget, airflow direction, redundancy requirement, power-cord type, environmental rating, and Cisco part number compatibility.
AC power supplies connect to standard facility AC circuits, while DC power supplies are used in telecom, industrial, service provider, or battery-backed environments. The correct choice depends on site power design and Cisco platform support.
Power supply wattage determines how much total power is available for the switch and powered devices. For PoE, PoE+, UPoE, or high-density AP deployments, calculate endpoint draw, redundancy mode, and future growth.
Airflow direction matters in data centers and network closets because the PSU and fan airflow must match the device cooling design. Wrong airflow can cause overheating, alarms, and unreliable operation.
Many Cisco platforms support hot-swappable power supplies, but safe replacement depends on redundancy, load level, platform design, and maintenance procedure. Confirm the device guide before removing a PSU from production equipment.
Some Cisco platforms allow mixed power supply capacities, while others require matching models or have operational limits. Verify the hardware installation guide, redundancy mode, and PoE budget before mixing PSU types.
Warning signs include PSU fault LEDs, system power alarms, fan errors, unstable PoE output, repeated reboots, overheating messages, abnormal noise, or power redundancy loss. Replace with an approved compatible part.
Power cords may be included, optional, or ordered separately depending on SKU, region, and condition. Buyers should confirm plug type, input rating, cable length, country code, and whether the listing includes cords.
Verify Cisco device model, PSU SKU, wattage, AC or DC input, airflow direction, PoE budget, redundancy mode, hot-swap support, power cord, lifecycle status, warranty, condition, and lead time before purchasing.
Cisco Power Supplies are usually purchased for one of three reasons: replacing a failed unit, adding redundancy, or increasing available power for a switch, router, firewall, or industrial deployment already in use. This category is built for buyers who already know the base hardware and now need to match the correct Cisco power module by platform, wattage, input type, and deployment purpose. It is especially useful for current projects, spare stock planning, and maintenance orders where compatibility and delivery timing matter before checkout.