Install two 2.5" solid-state drives or hard drives into a single 3.5" bay in a desktop computer -Install two 2.5" SSDs/HDDs in place of a single 3.5" drive -Tool-less drive and bay installation -Supports drives from 5mm to 12.5 mm in height Install your drives in no time - with no tools required. This tool-less mounting bracket lets you mount two 2.5" solid-state drives or hard drives into a 3.5" bay in your desktop computer. Easy, tool-less drive installation The bracket design lets you quickly secure your drives into the mounting bracket, without using tools. Then you simply put the bracket into a 3.5" drive bay in your computer and hold it in place using the tool-less pegs. Wide compatibility Designed for versatility, the tool-less mounting bracket supports a wide range of 2.5" solid-state drives or hard drives, ranging from 5 to 12.5 mm in height. Designed for trouble-free use The lightweight mounting bracket is designed for trouble-free, reliable performance. BRACKET225PT is backed by a StarTech.com 2-year warranty and free lifetime technical support.