Highlights Limited Groupons available ReadyNAS® NV+ (RND 4000) Serves files easily Backs up data effortlessly Streams music and video quickly Shares printers with ease Works with Windows®, Mac®, and Linux® Diskless, Half Populated, Full Populated: Dis kless, 2 TB, 4 TB Memory: 256 MB 3.5" Bay configuration:� �4 Maximum internal capacity: 12  TB Gigabit LAN: 1 USB ports: 3 USB 2.0 (front) Disk management: Re adyNAS® X-RAI D™ JBOD RAID 0, 1, 5 Included backup software: Meme o® Premium Backup, 1 liftetime license per box Dimension (H x W x D): 200 x 132 x 222 mm (7.9 x 5.2 x 8.7 in) Weight: 4.6 kg (10 lb), without hard disks View more product specifications Includes 3 year standard manufacturers warranty Toshiba 1TB Hard Disk Drive Model: MK1002TSKB Includes 5 year standard manufacturers warranty