Description

Cisco SG550X-48P-K9-NA 48-Port Gigabit PoE+ Layer 3 Stackable Managed Switch | 4×10G Uplink

The Cisco SG550X-48P-K9-NA is a high-performance enterprise-class fully managed Gigabit PoE+ switch designed for scalable business networks requiring advanced routing, high-density PoE power delivery, and true stacking capabilities. As part of the Cisco 550X Series Stackable Managed Switches, it delivers enterprise-grade Layer 2 and Layer 3 intelligence, robust security features, and centralized network management for modern IT infrastructures.

Equipped with 48 Gigabit PoE+ ports, this switch is ideal for powering IP phones, wireless access points, surveillance systems, and other PoE devices in dense enterprise environments. It includes 4 × 10G uplink interfaces (2 × 10GBase-T/SFP+ Combo + 2 × Dedicated 10G SFP+), enabling high-speed backbone connectivity and seamless network expansion.

With advanced stacking technology, multiple switches can operate as a single logical system with unified management, hardware failover, and scalable architecture. The SG550X-48P also provides advanced Layer 3 routing, VLAN segmentation, QoS optimization, IPv6 support, and enterprise security mechanisms such as ACLs, 802.1X authentication, and DoS protection.

Designed for reliability and performance, it delivers wire-speed switching, centralized management tools, and flexible deployment options in enterprise and campus environments.

Key Features

• 48 Gigabit PoE+ ports for high-density enterprise device connectivity
• 382W total PoE budget supporting IP phones, APs, and surveillance systems
• 4×10G uplinks (2 Combo + 2 Dedicated SFP+) for high-speed backbone integration
• True stacking technology with unified management and hardware failover
• Advanced Layer 2 & Layer 3 routing with IPv4/IPv6 support
• Enterprise-grade security features including ACLs, 802.1X, SSH, and DHCP Snooping
• High-performance architecture with wire-speed forwarding and QoS optimization