Product Overview This 5.25 to 3.5/2.5 inch hard drive mounting bracket is designed for PC enthusiasts, builders, and technicians who want to make use of an unused optical drive bay by installing a standard HDD or SSD inside a desktop computer. Core Features The adapter supports both 3.5 inch HDDs and 2.5 inch SSDs with adjustable screw hole positions, offering flexible compatibility in a single bracket. Built from strong ABS material, the front bay adapter is anti-static and provides solid durability for long-term use. The open hollow-out frame design promotes airflow around the drive, helping to dissipate heat efficiently and extend the lifespan of the installed storage device. Use Cases This internal hard drive mounting kit is ideal for upgrading a desktop PC with extra storage, building a home server, or retrofitting older computers that have empty optical drive bays. It allows users to add internal storage capacity without the need to purchase a new computer case. Specifications Material: ABS Compatible drive sizes: 2.5 inch and 3.5 inch HDD or SSD Bay size required: 5.25 inch front bay Features: Anti-static, hollow-out heat dissipation design, adjustable screw holes Package Contents 1 x 5.25 to 2.5/3.5 inch HDD/SSD mounting bracket All necessary mounting screws included