SIIG's long-term business vision, comprehensive product line, effective marketing strategy and exceptional customer support have made SIIG the leading brand for computer add-on products. High-quality control standards are evident by one of the lowest defective return rates in the industry. PRODUCT FEATURES: PCI-bus high-speed single parallel port; Can be installed in 32-/64-bit, 3.3v/5v PCI and PCI-X slot; Full support for Windows-based software.