UPVEL 16-Port Gigabit Rackmount Switch for Business and Home Entertainment Networks (US-16G) 16 10/100/1000 Auto-Negotiation, Auto-MDIX Gigabit Ports Connect Computers and Home Entertainment Devices. Ideal for Business or Home. Green Ethernet Technology offers Energy Savings of up to 70% Durable black metal housing. Zero operation noise, fan-less design. Built-in power supply Advanced switching specifications for best Gigabit performance. Rack-mount kit included.