The HP 1820-48G is a switch for large companies, and is equipped with 48 Ethernet ports and 4 SFP ports. These can be used to directly connect a fiber optic cable to the switch. You can configure all the settings of this switch through the web interface. For example, you can split the business network into as many as 64 virtual networks via VLAN to regulate who gets access to which part of the network. The switch features Quality of Service, which allows you to prioritize certain network traffic. You can mount this switch in a server rack.