Buffalo's TeraStation 3020 NAS Rackmount is an easy-to-use Network Attached Storage device with NAS-grade hard drives and professional security features. Designed for an operating environment of 10-30 users, this NAS system is built to provide quality hardware components, versatile data management functions, and secure data protection features at an entry level price - perfect for small offices and professional users requiring secure and cost-effective network storage, a file server, or a secure private cloud.