This ATA PCI controller Ultra 66Mhz is a reliable and high-performance device that will ensure your computer's optimal disk management. With its two UDMA/EIDE/ATPI ports, it offers great flexibility in connecting multiple devices and managing multiple tasks. The controller is compatible with PCI ports and has a cardbus form factor, making it easy to install and integrate into your system. The brand of this controller is Promise Technology Inc, and the model is Ultra 66. It comes in a factory shrink wrapped box, ensuring its quality and authenticity. This ATA controller for PCI is perfect for anyone in need of reliable disk management and is suitable for use in various computer components and parts.