Buffalo TeraStation 5200 2-Drive 4 TB Desktop NAS for Small/Medium Business SMB (TS5200D0402) High performance Intel Atom D2550 dual-core processor SoleraTec Phoenix RSM video surveillance management software (1 license) Dual gigabit Ethernet 2 USB 2.0 ports and 2 USB 3.0 ports with accessory support Hot-swap SATA hard drive RAID 0,1, JBOD (Individual Disks) Simultaneous NAS and iSCSI target support NovaBACKUP Business Essentials v12 (10 licenses)