D0009237/01 Cisco 400-Watts Power Supply for Catalyst 4003 / 4006 / 4008

Upgrade your network infrastructure with the Cisco 400-Watt Power Supply, engineered to deliver consistent, high-performance energy for Catalyst 4003, 4006, and 4008 switches. Designed with Cisco’s rigorous quality standards, this power module ensures reliable operation even under demanding traffic loads, reducing downtime and boosting overall network resilience. Its compact, rack‑mountable form factor fits seamlessly into existing setups, while the intelligent power management features help maintain optimal voltage and current levels, extending the lifespan of your critical networking gear. Whether you’re expanding a data center or reinforcing a campus network, this power supply provides the dependable power foundation your organization needs to stay connected and productive.