SIIG Legacy and Beyond Series Quad (4 Port) Serial RS-232 PCIe Card with 16C550 UART

Quickly adds four RS-232 serial ports through an available PCI Express slot Supports serial port data transfer rates up to 115.2 Kbps, compatible with 16C550 UART 256-byte depth FIFO buffer supports fast data transfer especially in a multitasking environment Perfect solution to connect with a POS system, industrial testing and control device, security system, logistic management equipment, etc. Chipset: ASIX/MosChip MCS9900CV-AA. Our products are backed by our experienced tech support team and 1 year warranty. Please contact us with any questions or concerns. We will get back to you within 24 hours. At SIIG, we are proud of our products and service. Our products are of high quality and built to last. We provide 1 Year Warranty for our products and email support. Contact us thru Amazon if any issues arise.