Cisco N77-AC-3KW Power Supply

The Cisco N77-AC-3KW Power Supply delivers 3.0 kW of reliable AC power for Cisco Nexus 7700 Series switches in data centers, and is hot-swappable for easy maintenance. Designed for installation in the Nexus 7700 chassis power supply slot, it supports redundancy when multiple units are deployed to ensure continuous operation of the switching fabric, line cards, and system components. Technical specs include 200–240 VAC input, 50/60 Hz input frequency, 3.0 kW (3000 Watts) output, and integrated fan cooling, with compatibility across Cisco Nexus 7700 switches. Manufacturer part number N77-AC-3KW and alternate part number N77AC3KW; common replacements include N77-AC-3KW-PI and N77-AC-3KW-R. This power supply is used in large-scale data centers, enterprise core networks, and service provider infrastructures where high-throughput traffic, virtualization, and cloud services demand stable, redundant power for mission-critical network infrastructure.