The NETGEAR ReadyNAS Duo has two hot swappable SATA drive bays and lets you store, share, and protect data on your home network like never before. Centralize movies, photos, and music for easy and reliable storage. Access your content whenever, wherever, and share it with your home devices, friends and family even over the Internet. Protect against loss with the integrated ReadyNAS Vault online backup service. The ReadyNAS Duo features a Gigabit Ethernet interface, DLNA/UPnP AV streaming, grow on the fly X-RAID automatic protection and capacity expansion and works with Windows, Mac, Linux, and UNIX clients.