Connect your 2.5in laptop's IDE hard drive to a standard 40-pin IDE cable for installation in a desktop or tower PC. This adapter features 44-pin female to 40-pin male connectors, and a power feed. This adapter makes file transfer to/from your laptop to your desktop quick and easy. Just connect your laptop's 2.5in drive to this adapter, and connect the adapter to our USB 2.0 to IDE drive adapter. Then plug the USB to IDE adapter into an available USB port on your desktop. Your 2.5in drive will appear as a logical drive, and allow you to pull files directly back and forth.