The TeraStation Pro II Rackmount builds on the strong business foundation of the original TeraStation Pro II. It features drastically improved network performance and support for multiple RAID levels. Reliability and performance are key for the TeraStation Pro II Rackmount. The TeraStation Pro II Rackmount offers business-class features, such as Microsoft Active Directory integration, DFS support, a heavy-duty power supply and cooling system, quick-swap SATA hard drives, and a status LCD. But best of all, as the name suggests, this TeraStation Pro II is rack mountable and therefore best suited for businesses and professional users who desire maximum reliability and robust features.