Form Factor: Desktop Rotational Speed: Read: up to 90 MBps Write: up to 40 MBps Port RJ-45: 1 x 10/100/1000M Port USB: 2 x USB3.0 + 1 x USB2.0 HDD Interface: 4 x SATA Processor: 1.6 GHz Marvell RAID: RAID 0, 1, 5 and JBOD Package Contents: ReadyNAS NV+ v2 4 Hard Disk Trays (with 2 x 1TB hard drives) Install Guide Warranty Card (3-year) Power Cable Ethernet Cable ReadyNAS Installation CD 8 screws for future HDD installation