Jrifedptry 3-Bay Hard Drive Cage Rack 2xOptical Drive Space to 3x3.5 Inch Hard Drive Space 2 Chassis Drives in the Chassis, Easy to Use Fine Workmanship

4. The product ventilation system is good. Made of high-quality material, , firm and sturdy for us to use. 1. The 3-bay hard drive cage occupies 2-Bay optical drive bays, and it can install 3 x 3.5-inch hard drives. 2. 3.5-inch optical drive bay hard drive expansion rack hard drive cage, for optical drive expansion. 3. for: DIY optical drive bit conversion hard drive. PC chassis, chassis, server chassis, expansion hard drive is a good choice. 5. Standard 3 pairs of hard drive plastic guide rails.