The Idealstor Teralyte offers a true alternative to tape backup.  The Teralyte is designed to attach to an existing 2003/2008 backup or proxy server and offers up to 8TB of removable disk capacity.  This system uses industry standard 3.5" SATA disks as backup media - meaning that current capacities are 2TB native/removable drive bay.  The Terayte offers the speed, capacity and reliability of disk and the portability of tape.