The pata2sata3 is a bi directional sata ide adapterconverter that lets you connect a serial ata drive to a legacy ide port or an ide drive to a sata motherboard port a cost effective solution for upgrading existing ide systems to support sata hard drives or optical drives the sataide adapter eliminates the expense of having to purchase a controller card while saving the expansion slot that would be required for card installation in addition to sata hard drive installation the adapte