Enhance your desktop computer or industrial equipment connectivity with this high-performance 2-Port PCI Express RS232 DB9 Serial Port Card. Designed with the ASIX AX99100 chip, this expansion card provides two reliable RS232 serial ports through a PCIe X1 interface, compatible with X1, X4, X8, and X16 slots for flexible installation in standard-size PCs. Key Features: · Dual RS232 Serial Ports: Add two BD9 serial ports to your system, enabling seamless communication with various serial devices including POS systems, industrial controllers, security equipment, logistics devices, scanners, and printers. · PCIe X1 Interface Compatibility: Full-size bracket card supports PCIe X1 slots and is backward compatible with PCIe X4, X8, and X16, ensuring versatile expansion options on most motherboards. · Advanced FIFO Buffer Support: Equipped with 256-byte deep FIFO on-chip buffer for efficient data transfer and reduced CPU load, enhancing stability and performance during serial communication. · Broad Operating System Compatibility: Supports driver installation for Windows XP, Vista, 7, 8.x, 10, and 11 (both 32 and 64-bit systems), as well as Linux kernel versions 2.6.x to 5.x with reference to compiled source code, ensuring wide-ranging system integration. · Robust and Durable Construction: Built on high-quality PCB material to ensure long-term reliability and stable operation in industrial and professional environments. · Wide Application Range: Ideal for connecting an array of serial DB9 devices including POS machines, industrial measurement and control systems, security networks, logistics management equipment, and other legacy serial devices. Specifications: · Item Type: 2 Port PCI Express RS232 DB9 Serial Port Card · Material: PCB · Chipset: ASIX AX99100 · Bus Interface: PCIe X1 (Compatible with X1, X4, X8, X16 slots) · Expansion Interface: 2 x RS232 Serial Ports (DB9) Package Includes: · 1 x 2 Port PCI Express RS232 DB9 Serial Port Card This PCIe serial expansion card is an excellent solution to efficiently extend serial connectivity on modern computers and industrial systems. Its wide OS support, advanced FIFO buffer, and durable design make it a dependable choice for enhancing device communication and data transfer in various professional applications.