ORICO Dual Bay 3.5" SATA RAID External HDD Hard Disk USB 3.0 + ESATA Raid 0/ Raid 1 Silver [3529RUS3] 2 bay 3.5 inch SATA HDD enclosure; support 8TB*2=16TB; support RAID 0/1/Combine/Clear mode USB3.0(5Gbps) +ESATA SuperSpeed; high-grade Aluminum Alloy + High quality plastic for its material Tool free; support hot-swap; intelligent sleep and temperature control; 12V4A power adapter Super silent cooling fan anodized surface; LED lights indicating the working status What is in the box: 1 x ORICO USB3.0 RAID Hard Drive Enclosure; 1 x 12V4A Power Adapter; 1 x 3.3Ft. USB3.0 Cable; 1 x ESATA Cable; 1 x User Manual; 1 x Service Card