ZyXEL NSA-220 is a 2-bay Network Storage Appliance with a maximum capacity of 1.5TB designed for home and SOHO users. This centralized capacity extension to users' storage helps them to organize data in their network, eliminates PC disk crash risks and saves the time used to backup to CD or DVD. It offers a quick and easy way to store, access, backup and share important files on locally networked computers through the network neighborhood or FTP transfers. ZyXEL also refines the devices with the latest Gigabit Ethernet and SATA technologies to enhance the performance of digital media transfer, storage, and retrieval. In order to eliminate technical barriers for users who are not PC-savvy, ZyXEL pays extra attention to simplify the interface design; in other words, it's an ideal choice for users from teenagers to elders.