The FriendlyNET GX6-500 has 5 10/100/1000 Mbps RJ-45 ports with Auto-Uplink technology. Part # 99-00834 .   

The FriendlyNET GX6-500 is the most affordable, powerful, yet versatile Gigabit Ethernet solution for connecting clusters of high performance servers and workstations to a copper based Gigabit Ethernet network.  Transmits data at 1000 Mbps and receive at 1000 Mbps simultaneously through the 5 Gigabit Ethernet ports.  The GX6-500 is designed with Auto-Uplink technology that allows the ports to automatically cross-over if necessary, so no more searching for the right cable.