The Cisco Small Business SG300-20 is a managed switch that provides a secure and reliable network foundation for small businesses. It offers 20 high-speed ports in total, including 18 Gigabit Ethernet RJ-45 ports and 2 Gigabit combo ports (SFP/RJ-45) for flexible high-speed connections. With a switching capacity of 40 Gbps and a forwarding rate of 29.76 Mpps, this switch handles demanding network traffic efficiently. It supports up to 4096 active VLANs for network segmentation and a MAC address table of 16,000 entries for efficient routing. This model also supports Jumbo Frames up to 10 KB and includes Layer 3 static routing with up to 512 routes. Security is a key focus, with features like Access Control Lists (ACLs), 802.1X port security, SSL, SSH, DHCP snooping, and DoS attack prevention. The switch is easy to manage via a user-friendly web interface, a command-line interface (CLI), SNMP, and the Cisco FindIT Network Discovery Utility. The physical design is fanless, making it suitable for quiet environments, and it is powered by an internal power supply. It is also rack-mountable (1U) with included hardware.