Upgrade your connectivity with the 2-Port PCI Express RS-232 DB9 Serial Port Card. This card adds two RS232 DB9 serial ports to desktop PCs and industrial devices via a PCI Express slot, perfect for connecting POS systems, industrial equipment, security devices, scanners, and printers. Featuring the ASIX AX99100 chipset, it supports a 256-byte FIFO for efficient data transfer. Compatible with Windows XP, Vista, 7, 8.x, 10, 11 (32/64-bit) and Linux kernels from 2.6.x to 5.x, it ensures versatile deployment. Installation is easy with a plug-and-play setup. The full-size bracket fits standard PCs, while the low-profile bracket accommodates slim cases. The PCIe X1 interface works in X1, X4, X8, or X16 slots. SPECIFICATIONS: * Model: TXB074 * Chipset: ASIX AX99100 * Ports: 2 x RS232 DB9 * Interface: PCI Express 1x * Dimensions: 65.4mm x 60mm x 16mm * Operating Temp: 0°C to 50°C * Storage Temp: -0°C to 80°C This card is your ideal solution for expanding connectivity and ensuring reliable communication with essential devices. Upgrade your system today!