My Cloud EX2 8TB Personal Cloud Storage (NAS). Two-bay trayless enclosure design, 0 - 8 TB, Multiple drive management options, including RAID 0, RAID 1, JBOD and spanning, Multiple data protection options, including RAID 1, USB, cloud or LAN/WAN backup, Includes WD SmartWare Pro for PC users and is Apple Time Machine compatible for Mac users, Twonky 7.2 DLNA 1.5 & UPnP certified media server, iTunes support, Anywhere access from computers, tablets and smartphones with My Cloud desktop and mobile apps, Advanced software suite including FTP and P2P torrent servers, WordPress, Transmission and many others, Optimized for WD Red drives with WD's exclusive NASware technology, Dual USB 3.0 expansion ports.