Rugged Heavy duty full metal construction with suggested applications in Medical & Military systems, Media servers, and IPCs, approved & used by Tier 1 companies. ^^ Fits 1x SATA hard drive or SSD from 7mm to 9.5 mm in height ^^ Uses PCIe 2.0 x1 interface, also supports installation into PCIe 2.0 and PCIe 3.0 x1, x4, x8, and x16 slots ^^ PCIe interface provides both power and data transfer which ultimately reduce cable clutter ^^ Strong hot-swap connector rated for a minimum of 10, 000 insertion/removal cycles