Catalyst 3750-X The Cisco® Catalyst® 3750-X Series Switches are an enterprise-class lines of stackable and standalone switches, respectively. These switches provide high availability, scalability, security, energy efficiency, and ease of operation with innovative features such as Cisco StackPower, optional network modules, 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 enhance productivity by enabling applications such as IP telephony, wireless, and video for borderless network experience.Cisco Catalyst 3750-X Series primary features: - Media Access Control Security (MACsec) hardware-based encryption; - Flexible NetFlow and switch-to-switch hardware encryption with the uplink Service Module; - Open Shortest Path First (OSPF) for routed access in IP Base image; - IPv4 and IPv6 routing, Multicast routing, advanced quality of service (QoS), and security features in hardware; - Enhanced limited lifetime warranty (LLW) with next business day (NBD) advance hardware replacement and 90 day access to Cisco Technical Assistance Center (TAC) support; - Enhanced Cisco EnergyWise for operational cost optimization by measuring actual power consumption of the PoE devices, reporting, and reducing energy consumption across the network; - USB Type-A and Type-B ports for storage and console respectively and an out-of-band Ethernet management port; - Cisco StackPower™ technology: An innovative feature and industry first for sharing power among stack members; - Cisco StackWise Plus technology for ease of use and resiliency with 64 Gbps of throughput.