This is the RS-EC32-U3R, a RAID enclosure for two HDDs from RATOC SYSTEMS. Accessories include an AC adapter and a USB cable. There is no box or manual. As a bonus, I'm including two Western Digital WD Red 3TB (WD30EFRXR) HDDs. Both were purchased over 10 years ago, but usage was quite low, and they still work without problems. However, I cannot be held responsible for any HDD failures, so please consider them as a bonus. The HDDs have been initialized, but please initialize them again yourself and configure the RAID before use. You will need to download the RAID monitoring manager from the Ratoc Systems website. Please do not purchase if you are unable to figure out how to use it on your own. *Please be sure to read the notes in my profile as well.