CM1-Mini 1 TB 2.5" External Network Hard Drive Features One 2.5" SATA drive bay with support up to 1TB storage capacity; Hybrid functionality- External USB storage and Gigabit Ethernet and 802.11b/g/n wireless NAS, Access Point and Router. iTunes server, bit torrent functionality, UPnP functionality, media server upgrade, file server and FTP server. Configure as a personal cloud, access it from the road, use for saving improtant files off site and invite friends/faimly to share. The unit can be configured as a wireless NAS on the go, giving the user the ability to set up small private network on the road With USB, Ethernet and Wireless connectiivty options, the CM1-Mini is fully compatible with both Mac and PC's.