SG550X-48P-K9 Cisco Small Business SG550X-48P 48-Ports 10/100/1000Base-T Layer 3 Switch
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SG550X-48P-K9 Overview
The Cisco SG550X-48P-K9 is a 48-port Gigabit Ethernet PoE+ Layer 3 managed switch from the Cisco Small Business 550X Series, engineered for scalable, secure, and high-performance business networks. It comes with 48 x 10/100/1000Base-T RJ-45 Gigabit Ethernet ports, each supporting PoE+ (Power over Ethernet Plus), allowing the switch to power connected devices such as VoIP phones, wireless access points, IP surveillance cameras, and other networked endpoints directly through the Ethernet cable, eliminating the need for separate power adapters.In addition to its Gigabit access ports, the switch is equipped with 4 x 10 Gigabit SFP+ combo uplink ports, enabling high-speed fiber uplinks and stacking.
SG550X-48P-K9 Technical Specifications
Cisco Small Business SG550X-48P 48-Ports 10/100/1000Base-T 1Gbps PoE+ Managed Layer 3 Rack-mountable with combo 10 Gigabit SFP+ Switch
Manufacturer: Cisco
Manufacturer Part Number: SG550X-48P-K9
Series: Small Business 550X
Type: Managed Stackable Gigabit PoE+ Switch
Ports: 48 x 10/100/1000 RJ-45 Gigabit Ethernet
Uplink Ports: 4 x 10 Gigabit SFP+ (combo)
PoE Support: Yes, PoE+ (IEEE 802.3af/at)
PoE Power Budget: Up to 740W total
Switching Capacity: 176 Gbps
Forwarding Rate: 130.95 Mpps
Layer Support: Layer 2 switching + Layer 3 static/dynamic routing
Stacking Support: Yes, up to 8 units, 80 Gbps stack bandwidth
Management: Web GUI, CLI, SNMP, RMON
VLAN Support: Up to 4096 VLANs
QoS: Advanced traffic prioritization, 8 hardware queues
Security: 802.1X authentication, ACLs, DHCP snooping, DoS prevention
MAC Address Table: 32K entries
