The Hotway HUR1-SU3S2 Dual Bay enclosure is for users after significant attached storage (up to 4TB total!) and the security of RAID1 or speed of RAID0, without the investment required for a dedicated server or NAS. Supports both USB3.0 and e-SATA, includes LED status indicators and a high quality aluminium construction for maximum heat dissipation. 1 year warranty.