The Serial ATA hard drive mounting kit allows you to install a 2.5 inch SATA hard drive in a 3.5 inch drive bay. The 2.5 to 3.5 inches SATA hard drive mounting kit features a sturdy aluminum bracket, as well as a combined 7 15 pin SATA LP4 Power to SATA cable which helps simplify installation and reduce clutter within the computer case.