Cisco systems pwr c2 640wdc cisco power supply plug in module 36 72 v 640 watt fru for catalyst 3650 24 3650 48 components pow
The cisco catalyst series switches support dual redundant power supplies the switch ships with one power supply by default and the second power supply can be purchased at the time of ordering the switch or at a later time if only one power supply is installed it should always be in power supply bay 1 the switch also ships with three field replaceable fans