The 4-port Promise SATA300 TX4 SATA controller offers a low-cost solution for connecting up to four of the latest, high-performance SATA 3Gb/s disk drives to PC motherboards with a PCI interface. While drive capabilities continue to advance at a fast rate, the vast majority of available motherboards still use the PCI interface to connect peripheral devices. With the SATA300 TX4, users can benefit from a flexible solution that connects the most advanced drives to their existing system, the ideal future-proofing upgrade.