Buffalo's TeraStation Pro Duo is a two-drive 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 the powerful Intel Atom D510 Dual-Core Processor, TeraStation Pro Duo provides exceptional performance during file transfers and everyday NAS functions. TeraStation Pro Duo runs many services simultaneously and the Dual-Core processor enables the ability to focus on coinciding 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 Duo is packed with business class features such as Active Directory support, disk quota support, share level replication, dual gigabit Ethernet ports, hot-swap hard drives and USB 3.0 accessory support.