Catalyst 9400 Series 2100W AC Power Supply

Product Description

The Cisco C9400-PWR-2100AC is a high-efficiency AC power supply module designed for Cisco Catalyst 9400 Series modular switches. Delivering up to 2100 watts of system and PoE power, this hot-swappable PSU ensures reliable energy delivery for chassis components, line cards, and connected PoE devices in enterprise campus environments.

Built for redundancy and scalability, the power supply supports multiple deployment modes including N+1, N+N, and combined power operation, helping organizations maintain uptime while expanding network capacity. It integrates directly into the Catalyst 9400 chassis and provides power for both switching operations and PoE devices such as access points, cameras, and IP phones.

With platinum-level efficiency, wide-range AC input support, and hot-swap capability, the module is ideal for mission-critical networks requiring stable power and continuous service availability.

Model Type

Modular AC Power Supply — 2100W PSU for Catalyst 9400 Series Switches

Category

Networking – Modular Switch Power Supplies

Key Features

2100W System & PoE Power — Provides up to 2100 W output to support chassis operation and inline power delivery to PoE endpoints.

Wide-Range AC Input Support — Accepts 100–240 VAC input, allowing deployment across global power infrastructures.

Redundant Power Modes — Supports N+1, N+N, and combined modes for high availability and load balancing in enterprise environments.

Hot-Swappable Module — Can be replaced or installed without powering down the switch chassis, ensuring continuous network operation.

Integrated PoE Power Budget — Supplies power for both switching electronics and connected PoE devices such as wireless APs and surveillance equipment.

High-Efficiency Design — Platinum-rated efficiency (≈94% or higher) reduces energy consumption and heat generation in dense deployments.

Technical Specs at a Glance

Typical Use Cases

High-Availability Campus Networks — Provides redundant power for mission-critical Catalyst 9400 deployments.

PoE-Dense Installations — Supplies power for large numbers of wireless APs, VoIP phones, cameras, and IoT devices.

Enterprise Building Infrastructure — Ensures reliable operation of modular switching platforms in corporate, government, and education environments.

Scalable Network Expansion — Allows organizations to add line cards and PoE devices without replacing the entire switch platform.