The Cisco Catalyst CAB-SPWR-150CM is a power cable specifically designed for the 3750-X and 3850 stack switches. With two connectors and a 1:1 connection split/duplication, this black cable is compatible with Cisco devices and features the Stack connector. To learn more about the California Prop 65 Warning, visit www.p65warnings.ca.gov. This power cable is a reliable and essential component for maintaining the connectivity and power supply of your networking equipment.