SF350-48-K9 - Cisco 48-Port 10/100 Managed Switch w/ Gigabit Uplinks

Cisco SF350-48-K9 48-port Fast Ethernet managed switch with 2 Gigabit combo and 2 SFP uplinks, Layer 2/3 features, and lifetime warranty.

The Cisco SF350-48-K9 is part of the Cisco Small Business 350 Series portfolio of affordable managed switches. It provides 48 Fast Ethernet (10/100) ports for desktop and endpoint connectivity, plus two Gigabit Ethernet combo ports and two additional Gigabit SFP ports for uplinks to servers or the network core. Designed for small and medium-sized businesses, it supports Layer 2 and basic Layer 3 switching features, VLANs, Quality of Service (QoS) for prioritizing voice/video traffic, and robust security including 802.1X authentication, access control lists, and Secure Core Technology. It has an intuitive browser-based GUI for setup and ongoing management, is rack-mountable and fanless, and is built to deliver a reliable, cost-effective foundation for growing business networks with unified communications and guest access support.

• Manufacturer: Cisco Systems, Inc.
• Product Line: Cisco Small Business
• Product Series: Cisco 350 Series Managed Switches
• Model: SF350-48
• Product Type: Managed Ethernet Switch (Layer 2/Layer 3)
• Total Ports: 48 x 10/100 Fast Ethernet ports
• Uplink Ports: 2 x Gigabit copper/SFP combo ports + 2 x SFP Gigabit ports
• Switching Capacity: 17.6 Gbps
• Forwarding Rate: 13.09 Mpps (64-byte packets)
• Switching Type: Wire-speed, nonblocking
• Flash Memory: 256 MB
• RAM: 512 MB
• MAC Address Table: 16,384 entries
• Jumbo Frame Support: 9216 bytes
• Routing Protocols: CIDR, Static IPv4 routing
• Management Interfaces: 1 x Console RJ-45, 1 x USB management port
• PoE: Not supported on this model (non-PoE variant)
• Security Features: SSL encryption, ACLs, guest VLAN, 802.1X authentication, Secure Core Technology (SCT)
• Management: Browser-based GUI, SNMP
• Form Factor: Rack-mountable, fanless
• Warranty: Cisco Limited Lifetime Warranty
• Country Kit: Available in regional variants (e.g., -NA, -EU, -UK)
• Status Indicators: Link/Activity LEDs
• Included Accessories: Power cord, rack-mount kit, rubber feet, console cable

• 48 Fast Ethernet (10/100) ports for high port-density desktop connectivity
• 2 Gigabit Ethernet combo ports plus 2 SFP ports for flexible uplinks
• Wire-speed, nonblocking switching architecture
• VLAN support for network segmentation and improved security
• Quality of Service (QoS) for prioritizing voice and video traffic
• 802.1X port-based authentication for network access control
• Secure Core Technology (SCT) to help protect against DoS attacks
• Embedded SSL encryption and extensive access control lists
• Intuitive browser-based GUI for simplified setup and management
• Rack-mountable, fanless design for quiet operation
• Guest VLAN support for secure guest connectivity
• Support for unified communications and VoIP deployments
• Energy-efficient design compliant with IEEE 802.3az Energy Efficient Ethernet

Designed to serve as a reliable Layer 2/3 access switch for growing small and medium-sized business networks.

• Core or access-layer switching for small office networks
• Desktop and workstation connectivity in SMB environments
• Segmenting network traffic using VLANs for security and efficiency
• Supporting unified communications and VoIP deployments
• Providing secure guest network access via guest VLAN
• Uplinking to a network core or server room via Gigabit/SFP ports
• Enabling QoS-prioritized traffic for voice and video applications

• High port density for growing networks
• Reliable wire-speed, nonblocking performance
• Simplified management via web GUI
• Strong built-in security features
• Flexible Gigabit/SFP uplink options
• Backed by Cisco limited lifetime warranty

• Form Factor: Rack-mountable, 1U
• Cooling: Fanless
• Dimensions: Approx. 11.0 x 1.73 x 6.69 in (279.4 x 44 x 170 mm), consistent with 350 Series form factor
• Weight: Approx. 9 lbs (varies slightly by regional SKU)

Per available documentation, this switch is validated for use with the following Cisco accessories and modules:

• Cisco SG350-RMK rack mount kit
• Cisco Gigabit SFP modules (e.g., MGBSX1, MGBLX1, MGBLH1, MGBT1)
• Cisco FindIT Network Manager for multi-device management
• Standard Cisco console/serial management cables
• Cisco Small Business 350 Series accessory ecosystem
• Standard Cat5e/Cat6 copper Ethernet cabling
• Compatible with Cisco Business Dashboard for centralized management (350 Series successors)

Note: SFP module and management tool compatibility is based on the broader Cisco 350 Series datasheet; always confirm exact SFP part numbers supported for this specific model variant before purchase.

• 1 x Cisco SF350-48-K9 switch
• 1 x Power cord
• 1 x Rack-mount kit (SG350-RMK)
• 1 x Console (DB-9 to RJ45) cable
• 1 x Quick Start Guide
• Rubber feet (for desktop placement)

Q: Does the Cisco SF350-48-K9 support Power over Ethernet (PoE)?

A: No, the base SF350-48-K9 model does not include PoE. PoE variants of this switch are sold under different part numbers such as SF350-48P-K9 (PoE+) and SF350-48MP-K9 (higher-power PoE+).

Q: How many ports does the SF350-48-K9 have?

A: It has 48 Fast Ethernet (10/100) ports plus 2 Gigabit Ethernet combo ports and 2 additional SFP ports for uplinks, totaling 52 ports.

Q: Is the SF350-48-K9 a Layer 2 or Layer 3 switch?

A: It is a Layer 2/Layer 3 managed switch, supporting basic static IPv4 routing in addition to full Layer 2 switching features.

Q: What is the switching capacity of the SF350-48-K9?

A: According to Cisco's official 350 Series datasheet, the SF350-48 model line offers 17.6 Gbps of switching capacity with a forwarding rate of 13.09 Mpps.

Q: What warranty does the SF350-48-K9 come with?

A: The switch is covered by Cisco's Limited Lifetime Warranty, which includes next-business-day advanced replacement as noted on the retail product listing.

Q: Can the SF350-48-K9 be rack mounted?

A: Yes, it is a rack-mountable, fanless 1U switch and ships with (or is compatible with) the SG350-RMK rack mount kit.

Q: What security features does the SF350-48-K9 support?

A: It includes embedded SSL encryption, extensive access control lists, guest VLAN support, 802.1X authentication, and Cisco's Secure Core Technology for DoS protection.

Q: How is the SF350-48-K9 managed?

A: It is managed through an intuitive browser-based GUI, and can also be integrated with tools like Cisco FindIT Network Manager for broader visibility across small business networks.