SF350-24-K9 - Cisco 24-Port 10/100 L2/L3 Managed Switch

Cisco Small Business SF350-24 24-port Fast Ethernet Layer 2/3 managed switch with 2 Gigabit combo and 2 SFP uplink ports for SMB networks.

The Cisco SF350-24-K9 is a member of the Cisco Small Business 350 Series Managed Switches family, designed to provide small and medium-sized businesses with an affordable yet feature-rich Layer 2/Layer 3 managed switching platform. It offers 24 10/100 Fast Ethernet ports for connecting desktops, IP phones, and other network endpoints, plus 2 Gigabit Ethernet copper/SFP combo ports and 2 dedicated SFP ports for high-speed fiber or copper uplinks to core switches or routers. The switch supports advanced Layer 3 static routing, VLAN segmentation, Quality of Service (QoS), and Access Control Lists (ACLs) to secure and optimize network traffic. Its dual-image support enables non-disruptive firmware upgrades, helping maintain business continuity. Designed for rack-mount deployment, the SF350-24-K9 suits growing offices, branch locations, and retail environments that need reliable, easy-to-manage switching without the cost of enterprise-class hardware.

• Manufacturer: Cisco Systems
• Product Family: Cisco Small Business 350 Series Managed Switches
• Product Series: SF350
• Model: SF350-24
• Product Type: Layer 2/Layer 3 Managed Ethernet Switch
• Total Ports: 24 x 10/100 Fast Ethernet ports
• Uplink Ports: 2 x Gigabit Ethernet copper/SFP combo ports + 2 x SFP ports
• Switching Capacity: 12.8 Gbps
• Forwarding Rate: 9.52 Mpps
• PoE Support: No PoE (non-PoE model; PoE variants sold separately as SF350-24P/SF350-24MP)
• Switch Management: Web-based GUI and CLI management
• IP Version Support: IPv4 and IPv6 management support
• Security Features: Access Control Lists (ACLs), 802.1X port security, SSL encryption
• VLAN Support: IEEE 802.1Q VLAN tagging, Guest VLAN
• Standards Supported: IEEE 802.1D, 802.1Q, 802.1p, 802.1s, 802.1w, 802.1x, 802.3
• Energy Efficiency: IEEE 802.3az Energy Efficient Ethernet
• Form Factor: Rack-mountable, fanless design
• Warranty: Limited lifetime hardware warranty with Next-Business-Day advance replacement
• Firmware Feature: Dual image support for non-disruptive software upgrades
• Country/Region Variants: Available in NA, EU, UK, AU, CN suffix versions
• Product Status: End-of-Sale/End-of-Life (replaced by CBS350-24T-4G)
• Auto-Negotiation: Auto-MDI/MDIX and auto-sensing speed/duplex on all ports

• 24 10/100 Fast Ethernet ports for broad device connectivity
• 2 Gigabit Ethernet copper/SFP combo ports plus 2 dedicated SFP slots for flexible uplinks
• Layer 2 and Layer 3 static routing capabilities for advanced network segmentation
• Extensive Access Control Lists (ACLs) to restrict unauthorized network access
• Embedded SSL encryption to secure management traffic
• Guest VLAN support for isolating non-employee network traffic
• Dual firmware image support for uninterrupted software upgrades
• IPv4 and IPv6 management for future-ready deployments
• Auto-sensing and Auto-MDI/MDIX on all ports for simplified cabling
• Rack-mountable, fanless chassis for quiet office environments
• Energy Efficient Ethernet (IEEE 802.3az) support to reduce power consumption
• Backed by Cisco limited lifetime hardware warranty

Designed for small and medium-sized business network infrastructure requiring reliable managed switching.

• Core or access-layer switching in small office/branch office networks
• Connecting desktops, printers, and IP phones in an SMB environment
• VLAN segmentation for departmental or guest network isolation
• Uplinking access switches to a core switch or router via Gigabit/SFP ports
• Retail store networking for POS systems and back-office connectivity
• Layer 3 static routing between VLANs in a segmented office network
• Replacing unmanaged switches with a manageable, secure alternative

• Affordable Layer 2/3 managed switching for SMBs
• Flexible Gigabit and SFP uplink connectivity
• Enhanced network security via ACLs and SSL
• Reliable dual-image firmware upgrade support
• Energy-efficient, fanless quiet operation
• Backed by Cisco lifetime hardware warranty

• Form Factor: Rack-mountable 1U chassis
• Cooling: Fanless design for quiet operation
• Mounting: 19-inch rack-mount kit compatible
• Country Variants: NA, EU, UK, AU, CN regional SKUs

Per available documentation, this product is validated for use within the Cisco Small Business 350 Series ecosystem, including:

• Cisco SF350-08 8-port 10/100 managed switch
• Cisco SF350-24P 24-port 10/100 PoE+ managed switch
• Cisco SF350-24MP 24-port 10/100 Max PoE+ managed switch
• Cisco SF350-48 48-port 10/100 managed switch
• Cisco SG350 Series Gigabit managed switches (for uplink interoperability)
• Standard SFP transceiver modules for fiber uplinks
• Cisco Small Business rack-mount kits
• Cisco 350 Series console/serial management cables

Note: This model is part of the legacy Cisco 350 Series and has an End-of-Sale/End-of-Life status; Cisco recommends the newer CBS350 Series (e.g., CBS350-24T-4G) as the replacement platform.

• Cisco SF350-24-K9 switch unit
• Power cord
• Rack-mounting kit
• Console/serial cable
• Quick start guide
• CD-ROM with user documentation (per comparable 350 Series packaging)

Q: How many ports does the Cisco SF350-24-K9 have?

A: It has 24 10/100 Fast Ethernet ports, plus 2 Gigabit copper/SFP combo ports and 2 additional dedicated SFP ports for uplinks.

Q: Does the SF350-24-K9 support Power over Ethernet (PoE)?

A: No, this base SF350-24 model does not provide PoE. Cisco offers PoE variants such as the SF350-24P and SF350-24MP for power-over-Ethernet needs.

Q: Is the SF350-24-K9 a Layer 2 or Layer 3 switch?

A: It supports both Layer 2 switching and Layer 3 static routing features, making it a Layer 2/3 managed switch.

Q: What is the switching capacity of the SF350-24-K9?

A: According to third-party technical listings, the switch delivers a 12.8 Gbps switching capacity with a 9.52 Mpps forwarding rate.

Q: Is the Cisco SF350-24-K9 still available for purchase new?

A: Cisco has issued an End-of-Sale/End-of-Life announcement for this model; it has been succeeded by the Cisco CBS350-24T-4G switch.

Q: What warranty does the SF350-24-K9 include?

A: The 350 Series switches, including this model, come with Cisco's limited lifetime hardware warranty and Next-Business-Day advance replacement.

Q: Can the SF350-24-K9 be managed remotely?

A: Yes, it supports web-based GUI and command-line interface (CLI) management, along with IPv4 and IPv6 support for remote administration.

Q: What security features does this switch offer?

A: It includes Access Control Lists (ACLs), 802.1X authentication, SSL encryption for management traffic, and Guest VLAN isolation.