This Drive Bay Mounting Bracket Kit lets you mount a 2.5in hard drive in a 3.5in drive bay， allowing you to maximize the internal space-efficiency of your computer case.<br><BR><li>A metal mounting bracket ensures the drive is reliably secure and provides heat dissipation from the drive.<BR><li>Includes 40-pin to 44-pin IDE adapter.<BR><li>Install a 2.5" IDE hard drive into an unused 3.5" bay in a desktop chassis.<BR><li>Turn an unused 2.5" IDE drive into additional storage for a desktop computer.<BR><li>Height: 0.39 in.<BR><li>Length: 3.94 in.<BR><li>Width: 3.86 in.<BR>