The rack-optimized systems of the TERRA SERVER 3000 series are offering you a wide variation of implementation with an excellent quality/price- ratio. The only 2U flat TERRA SERVER 3230 is designed for the use as firewall, router, proxy-server or web-server. Furthermore it can be used as a file- server, backup-server or login-server (domain- controller) with the flexible expansion capability. Its scalability permits up to 21 devices in one 19" rack.