ORICO 3529NAS 2-bay Full Aluminum Network Attached Storage Enclosure,USB3.0 interface, RAID storage enclosure,3.5 raid enclosure (silver) High quality aluminum shell for heat dissipation Tray design reduce HDD shake One 60mm60mm12mm mute fan for heat dissipation Support 2pcs 3.5 SATA HDD, maximum capacity reach up to 2*3TB=6TB Support JOBD/RAID0/RAID1/Normal RAID model