Buffalo's TeraStation 5400 Rackmount is a high-performance four-drive 1U rack mountable network storage device ideal for businesses and demanding users requiring a reliable RAID-based NAS solution for larger networks and business critical applications. With the powerful Intel® Atom™ D2701 processor, TeraStation 5400 Rackmount provides exceptional performance during file transfers and everyday NAS functions. TeraStation 5400 Rackmount runs many services simultaneously and the dynamic combination of the dual-core 2.16 GHz processor and 2 GB DDR3 RAM enables the acute ability to focus on concurrent tasks with minimal performance degradation: experience maximum network throughput while surveillance video is recording from multiple IP-based cameras, remote users access content and a replication job runs in the background.