Buffalo TeraStation Pro Quad 4-Bay 4 TB (4 x 1 TB) RAID Network Attached Storage (NAS) - TS-QVH4.0TL/R6 High performance Intel Atom D510 Dual-Core Processor Front loading hot swap hard drives with lockable front panel NovaBACKUP Business Essentials v12 (10 licenses) RAID 0,1,5,6,10, JBOD (Individual Disks) Share level replication feature with device failover Two Ethernet ports for port trunking 2 USB 3.0 ports and 3 USB 2.0 ports for external drive, printer and UPS connectivity Easy setup wizard and management through intuitive web interface