This 2.5in to 3.5in IDE Hard Drive Adapter cable provides a 44-pin female IDE connector and a 40-pin male IDE connector as well as an LP4 power supply connection allowing you to connect a 2.5in IDE laptop hard drive to a desktop computer. Cost-effective solution for connecting a 2.5in IDE laptop hard drive to a desktop computer. Easy to use and install. Imaging 2.5 notebook hard drives.