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Cisco SG350-52P-K9-CN is a high-performance managed Gigabit Ethernet switch designed to provide reliable, secure, and scalable networking for small and medium-sized businesses, enterprise branch offices, schools, hotels, and commercial environments. Featuring 48 Gigabit PoE+ Ethernet ports and 4 Gigabit SFP uplink ports, it delivers flexible connectivity while supporting power and data transmission over a single Ethernet cable for IP phones, wireless access points, IP cameras, and other PoE-enabled devices. With an intuitive web-based management interface and advanced Layer 2 and Layer 3 Lite switching capabilities, the SG350-52P-K9-CN supports VLAN, static routing, QoS, Link Aggregation, STP/RSTP/MSTP, IPv6, IGMP Snooping, ACLs, 802.1X authentication, DHCP Snooping, and comprehensive security features to optimize network performance and protect critical business resources. The switch offers enterprise-class reliability with energy-efficient operation, intelligent traffic management, and robust network redundancy, making it an ideal solution for growing organizations that require stable, high-speed, and cost-effective network infrastructure. Its rack-mountable design allows easy deployment in standard network cabinets, while Cisco's proven quality ensures long-term durability, simplified management, and seamless integration into existing business networks. Whether deployed for office networking, surveillance systems, wireless infrastructure, or converged voice and data applications, the Cisco SG350-52P-K9-CN delivers exceptional performance, flexible expansion, and dependable connectivity to meet the demands of modern business environments.
SG350-52P-K9-CN
Cisco
Original New
1 year
| Quantity: | |
|---|---|
Item | Official Specification |
|---|---|
Model Number | SG350-52P-K9-CN |
Product Series | Cisco Small Business SG350 Series Layer 3 Managed Gigabit Switch |
Typical Application | SMB Office Networks, IP Camera Surveillance, Wi-Fi AP Deployment, IP Phone Systems, Small Branch Backbone |
Warranty | Cisco Limited Lifetime Hardware Warranty |
Management Interfaces | Web UI, CLI, RJ45 Console Port, Front USB-A Port, SNMP v1/v2/v3, RMON, Cisco Discovery Protocol |
Total Ports | 52 Gigabit Ports |
Downlink Ports | 48 × 10/100/1000BASE-T RJ45, all PoE+ compliant |
Uplink Interfaces | 2 × Gigabit Combo (RJ45/SFP) + 2 × Dedicated 1G SFP Slots |
PoE Standards | IEEE 802.3af (15.4W/port), IEEE 802.3at PoE+ (max 30W per port) |
Total PoE Power Budget | 375W |
Supported Cabling | Cat5e or above for Gigabit transmission |
Switching Capacity | 104 Gbps |
Forwarding Rate (64-byte packets) | 77.38 Mpps |
MAC Address Table | 16,000 MAC entries |
Shared Packet Buffer | 3 MB |
Jumbo Frame Support | Up to 9000 bytes |
QoS Queues | 8 hardware queues per port, WRR + Strict Priority scheduling |
Max Supported VLANs | 4094 VLANs (802.1Q tagging), Voice VLAN, Guest VLAN, Private VLAN |
Spanning Tree Protocols | STP, RSTP, MSTP, PVST+ |
Link Aggregation | IEEE 802.3ad LACP, multiple LAG groups supported |
Multicast Functions | IGMP Snooping v1/v2/v3, MLD Snooping, multicast replication & filtering |
Port Functions | Port mirroring, port isolation, rate limiting, broadcast/multicast/unicast storm suppression |
Layer 3 Routing | IPv4 & IPv6 static inter-VLAN routing, DHCP Snooping, DHCP Relay |
Security Features | 802.1X port authentication, web authentication, L2/L3/L4 ACLs, DoS protection, port security, IP/MAC binding, SSH/HTTPS encrypted management, ARP guard, rogue DHCP blocking |
Cooling System | 3 variable-speed cooling fans |
Physical Dimensions (W × D × H) | 440 mm × 257 mm × 44 mm (17.3 × 10.12 × 1.73 in), 1U standard rackmount |
Net Weight | 4.67 kg (10.3 lbs) |
Power Supply | Built-in universal AC power supply, 100–240V AC, 50/60Hz |
Max Full Load Power Consumption | 431W (220V) / 440W (110V) |
Operating Environment | 0°C ~ 50°C, 10%–90% non-condensing humidity |
Storage Environment | -20°C ~ 70°C, 10%–90% non-condensing humidity |
MTBF (25°C Ambient) | 1,450,000 hours |
Installation Method | 19-inch rack mount, desktop placement |
Regulatory Certifications | CE, FCC, UL, RoHS Compliant |
Product Status | End-of-Sale (EoS since Jan 2023), End-of-Support: Jan 2028 |
