This IDE to SATA adapter converts a 40-pin IDE connector to a SATA connector, allowing you to connect a 2.5in or 3.5in SATA (SATA, SATA II/SATA 300) drive to the motherboard in place of an IDE drive. The IDE to SATA Adapter is suitable for installation in any computer case, as it is requires minimal space and does not impact airflow.