The Cisco Catalyst 3750-X series switches are an enterprise-class line of stackable switches. These switches provide high availability, scalability, security, energy efficiency, and ease of operation with features such as Cisco StackPower, IEEE 802.3at Power over Ethernet Plus (PoE+) configurations, redundant power supplies, and Media Access Control Security (MACsec) features. The Cisco Catalyst 3750-X series with StackWise Plus technology provides scalability, ease of management and investment protection for the evolving business needs. The Cisco Catalyst 3750-X series enhances productivity by enabling applications such as IP telephony, wireless, and video for borderless network experience.