Description:Cisco 3850 Series Power Supply - PWR-C1-350WAC 350W AC Config 1 Power Supply for 3850 Series
The Cisco Catalyst 3850 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.