Fits 1x SATA hard drive or SSD from 7mm to 9.5mm 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 Installs into single-width PCIe expansion slot Includes full-height PCIe faceplate to protect against buildup of dust Eagle-hook lock system keeps the drive secure in the enclosure