With Gigabit Ethernet for file sharing and USB 2.0 for personal storage, the versatile Ethernet Big Disk works with or without a network. Universally accessible on every wired or wireless network, this drive is capable of sharing files between Windows, Mac and Linux users. If there is no network available, the Ethernet Big Disk can be used with your PC or Mac without any file system limitations. It also comes with an additional USB 2.0 port for attaching an extra hard drive to cost-effectively expand your network’s storage capacity.