Buffalo Terastation 2 TB Network Attached Storage HD-H2.0TGL/R5 2 TB NAS RAID 5 network storage appliance for a Windows or Linux office or home data or media server Offers 4 USB 2.0 ports; includes built-in print server 4 operating modes: standard, spanning, mirroring and RAID 5 Advanced ventilation features large silent fan for quiet and effective cooling 6.6 x 8.7 x 9.5 inches (WxDxH); weighs 15.8 pounds