StarTech 4 Port Native PCI Express RS232 Serial Adapter Card with 16550 UART

If you're seeking a solution to expand your PC's connectivity, the PEX4S553 4-Port Native PCI Express RS232 Serial Adapter Card with 16550 UART is an ideal choice. This high-performance adapter card allows you to add four RS232 (DB9) serial ports using just a single PCI Express expansion slot, enhancing your computer's functionality without overloading your CPU.The PEX4S553 is engineered with a native single-chip design, which optimizes the full potential of PCI Express (PCIe) technology. This design significantly reduces the CPU load by up to 48% compared to conventional bridge-chip serial cards, ensuring smoother and more efficient operations.This 4-port serial adapter card is equipped with a 256-byte deep FIFO per transmitter and receiver, supporting high-speed data transfer rates of up to 128000bps. It also features a built-in 16C450/550 compatible UART, compliant with the PCI Express Base Specification 1.1, ensuring reliable and consistent performance.The PEX4S553 comes with four half-height/low-profile brackets, making it versatile enough to be installed in virtually any PC case, regardless of its form factor. This flexibility makes it an excellent choice for various applications, including POS retail systems, bank teller workstations, self-service automated machines, ATMs, and surveillance systems.Whether you're managing keyboards, cash drawers, receipt printers, card readers, scales, touchscreens, or security cameras, this 4-port serial adapter card offers the robust functionality and reliable performance you need. Please note that this product description does not include warranty, price, or availability information.