Seagate NAS 4-bay is a full-featured network storage solution offering the easiest setup and the industry's most intuitive interface. The NAS 4-bay features hardware, software and Seagate drives designed to work together seamlessly, which reduces your setup time to justa few minutes and delivers reliable performance for years to come. In addition, Seagate runs hours of extensive tests on every NAS 4-bay before it leaves our manufacturing facility, to further ensure the system is running at its best. The NAS 4-bay runs Seagate NAS OS 4 software, completely designed from the ground up to deliver ease of use, performance, reliability and a flexible platform for running add-onapps, enabling you to do more with your NAS. With the App Manager in NAS OS 4, you can choose to install apps that enhance the functionality of the NAS, such as our surveillanceapp that turns the NAS into a recording solution for IP cameras or our anti-virus app that cans can files and identify potential threats before it's too late. System Requirements: System Requirements: Local area network (LAN), Latest version of Microsoft Windows XP, Vista, 7 or 8, Wired router with an available 10/100/1000 Ethernet Portman OS X 10.5, 10.6, 10.7, 10.8 or 10.9, Internet connection (for system updates and Web access), Latest version of Internet Explorer, Firefox, Safari or Chrome.