The 2.5" Drive Adapter for 3.5" Hard Drive Bays from Aleratec is an adapter that allows you to connect a 2.5" IDE (PATA) hard drive to the interface found in the 3.5" IDE (PATA) drive bays of the Aleratec HDD Cruiser. Perfect for sanitization and duplication of notebook hard drives, 4 adapters are included in this bundle.