Automatic backup with Time Machine - Time Capsule works automatically with Time Machine in Mac OS X Leopard to create the perfect no-hassle backup solution : Server-grade storage - The massive 2TB server-grade hard drive gives you all the capacity and safety you need for backing up all your Mac computers : Easy wireless networking - Connect your DSL or cable modem to Time Capsule, then quickly set it up with the easy-to-use AirPort Utility, which is included for both Mac OS X and Windows : Simultaneous dual-band Wi-Fi - For maximum range and compatibility, Time Capsule works simultaneously on both the 2.4GHz and 5GHz bands, allowing all the devices on the network to use the most efficient band automatically : Guest networking - Now you can set up a separate Wi-Fi network with a separate password for your visitors : Wireless drive sharing - Time Capsule also works great as a wireless hard drive, whether you have a Mac or a PC : Print without wires - Print documents, photos, and more from any room in your home or office to a central printer connected to Time Capsule via USB : Strong security and access controls - Protect yourself with the built-in firewall and industry-standard encryption technologies including WPA/WPA2 and 128-bit WEP : Works with iPhone, Apple TV and more - Time Capsule works with Mac computers, PCs, iPhone, iPod touch, Apple TV, and virtually all 802.11a/b/g/n Wi-Fi wireless devices, all at the same time : System Requirements - : For Time Machine backup - : Mac with Mac OS X Leopard : For setup and administration - : Mac computer with Mac OS X v.10.4 or later, CD drive, and Ethernet or wireless networking capability : PC with Windows XP (SP2) or Windows Vista, CD drive, and Ethernet or wireless networking capability : For wireless client access - : Mac with AirPort or AirPort Extreme wireless capability : PC with 802.11a/b/g/n : For shared hard drive - : Mac with Mac OS X v10.4.8 or later : PC with Window