Cisco SG550X-48MP Stackable Managed Switch with 48 Gigabit Ethernet (GbE) Ports, 740W PoE, 2 x 10G Combo, 2 x SFP+, L3 Dyamic Routing, Limited Lifetime Protection (SG550X-48MP-K9-NA) (Personal Computers)

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Cisco SG550X-48MP Stackable Managed Switch with 48 Gigabit Ethernet (GbE) Ports, 740W PoE, 2 x 10G Combo, 2 x SFP+, L3 Dyamic Routing, Limited Lifetime Protection (SG550X-48MP-K9-NA) (Personal Computers)

Features:

ETHERNET PORT CONFIGURATION: 48-port 10/100/1000, 4 x 10G uplinks (SFP+)
POWER OVER ETHERNET: 48 PoE ports with 740W total power budget, PoE, PoE+, 60W PoE
CONFIGURATION & CONTROL: Stackable (8 units), on-box WebUI, CLI, SNMP, Cisco FindIT Network Manager, PnP, Auto Smartports, auto-discovery, zero-touch deployment
L2+/L3 FEATURES: Dynamic routing, RIP, VRRP, Policy-based Routing, IGMP querier, Time-based Access Control Lists, 802.1x, Web-based Authentication, IPv6 First Hop Security, Dynamic ARP Inspection
PEACE OF MIND: Limited-lifetime warranty, next-business-day replacement, one-year technical support, and free software fixes for the term of the warranty
ENERGY EFFICIENT: Optimizes power usage to lower cost to operate. Compliant with IEEE802.3az Energy Efficient Ethernet