Cisco PWR-C2-640WDC 640W DC Power Supply
The Cisco PWR-C2-640WDC= is a 640W hot-swappable DC power supply module designed for Cisco Catalyst switches. Supporting -36VDC to -72VDC input, it delivers reliable redundant power, enterprise-grade stability, and uninterrupted switch operation for data center, telecom, and industrial networking environments.