Buffalo's TeraStation Pro II Series of TeraByte Network Attached Storage offers powerful storage and server solutions for the SMB market. With two USB 2.0 ports, the TeraStation Pro II can accommodate additional external USB hard drives for backup of the TeraStation or for additional network storage. With its quick swap hard drive trays, TeraStation Pro II requires no computer knowledge to swap out replacement hard drives in seconds. This allows for significantly less down time and quicker drive recovery. Combining Active Directory support, DFS support, fault tolerant RAID modes, and Gigabit Ethernet networking, the TeraStation Pro II allows users to deploy a simple, cost-effective data server for their office in minutes.