This Cisco 4000 Series (IE4000-4S8P4G-E) 20 Port Rack Mountable Ethernet Switches is a high-performance network switch that provides fully managed network connectivity. It has a maximum data transfer rate of 1000Mbps/1Gbps and supports Gigabit Ethernet (1000-Mbit/s) technology. It features 20 LAN ports, Ethernet (RJ-45), SFP, and USB-B interface, and is ATA over Ethernet compatible. The switch is designed to be rack mountable and has a product line of 4000 series. It is suitable for enterprise networking and servers, and falls under the category of switches and hubs and network switches. (F)