This is a Linksys EtherFast 10/100 5-Port Hub model EFAH05W.V2. It offers reliable wired-Ethernet (RJ-45) network connectivity for up to 5 devices with a maximum LAN data rate of 100 Mbps. This Ethernet hub is suitable for small businesses or home offices looking to connect multiple devices to their network. The interface is Ethernet (RJ-45) and it supports RAID levels of 1+0. This hub belongs to the category of Switches & Hubs and falls under the Computers/Tablets & Networking and Enterprise Networking, Servers categories.