Extend SATA Data Connections by up to 30cm (12in). The SATAEXT30CM 0.3-meter (30cm) SATA Data Extension Cable enables you to extend the reach between internal SATA drive connections by up to 30 cm (11.81 in).The extension simplifies drive installation by overcoming typical connection limitations, and it reduces the risk of damage to the drive or motherboard SATA connectors by eliminating the need to strain or stretch the cable in order to make the necessary connection.