Buffalo"s TeraStation Pro Quad is a high performance network storage solution ideal for businesses and demanding users looking to implement a RAID based network storage solution for larger networks and business critical applications. With a powerful Intel Atom Dual-Core Processor, TeraStation Pro Quad provides exceptional performance during file transfers and everyday NAS functions. TeraStation Pro Quad runs many services simultaneously and the Dual-Core processor enables the ability to focus on concurrent tasks with minimal performance degradation: experience maximum network throughput while a replication job runs in the background or perform fast search indexing while an anti-virus scan is occurring. TeraStation Pro Quad is packed with business class features such as Active Directory support, disk quota support, share level Replication, failover support, dual gigabit Ethernet ports, hot-swap hard drives and USB 3.0 accessory support.