CENTURY's Naked Tribe Sky Tower 10Bay CRST1035EU3. This is an HDD case that can accommodate up to 10 3.5-inch SATA HDDs and supports USB 3.0 connection. [Brand] CENTURY [Model Number] CRST1035U3IS6G [Color] Black [Compatible HDDs] 3.5-inch SATA HDD [Number of Installable Drives] 10 [Interface] USB 3.0 It has considerable signs of use, with scratches and dirt, but it functions. Please understand that this is a home-stored item, and only purchase if you are comfortable with this. It is possible to connect 10 drives simultaneously and copy data between disks, but it is a specification that compatibility with the host controller and HDDs can be significant, and they may not be recognized. There is no box or manual, so please understand. Thank you. Century CRST1035U32CIS Naked Tribe Sky Tower 10Bay USB3.2 Gen2 IS Brand: CENTURY (Electronic Devices)