16-Port Gigabit Rack-Mount Switch. Gigabit 16-port 10/100/1000M 19" rack-mount Gigabit Ethernet Switch Complies with IEEE 802.3 / 802.3u / 802.3ab / 802.3az standards Supports Gigabit network and jumbo frames up to 9.6K Supports Auto MDI / MDI-X and Auto-Negotiation Store-and-Forward switching and Non-Blocking full wire speed architecture