High Performance Home Data & Media Server Buffalo's Link Station 421e NAS is a high performance 2-bay network storage device that comes equipped with a whole host of features, perfect for storing, sharing, serving & protecting your most important data. Back up multiple PCs & Mac® computers simultaneously & enjoy uninterrupted access to terabytes of storage on your network & even over the Internet while away from home. Secure Central Storage With terabytes of storage, Link Station 421e NAS provides a reliable, central location to store all data from every PC & Mac® computer, tablet device & smartphone in your home or small office. Store, access & share files from anywhere over your wireless network at speeds up to three times as fast as a standard NAS device! Exceptional Performance Equipped with a high performance 1.2 GHz dual issue ARM processor & DDR3 RAM, Link Station 421e NAS offers much more than simple home shared storage. This dual-bay network storage device boasts transfer speeds up to 100 MB/s, nearly twice as fast as a standard USB (Universal Serial Bus) 2.0 drive & three times faster than a standard NAS device. Custom Scalability Link Station 421E offers easy scalability up to 8 TB for high capacity network storage & backup. Automatic Data Protection When two hard drives are insterted, Link Station 421e supports RAID 0/1 for maximum capacity or redundant data protection. RAID 0 combines all drives into a single array offering maximum capacity with no redundancy RAID 1 mirrors the two drives, creating an exact copy of data for fault tolerance Stream Your Favourite Media Link Station 421e NAS is DLNA Certified™ & it can be used as an i Tunes® server to stream all of your favorite music, movies & shows to multiple devices simultaneously. Now you can relax & watch movies on your big screen TV while music is pumped outdoors by the pool. Centralize your media files for simple sharing & streaming.