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Best Choice StarTech ![StarTech 2-Port PCI Express Serial Card with 16C1050 UART - RS232 [PEX2S1050]](https://images.bestdealsau.com/image/fetch/c_scale,f_auto/https%3A%2F%2Fm.media-amazon.com%2Fimages%2FI%2F41jaoVYmS9L._SL160_.jpg)
StarTech 2-Port PCI Express Serial Card with 16C1050 UART - RS232 [PEX2S1050] MEETS INDUSTRY STANDARDS: The 2-port PCI express serial card is compliant with PCI Express 1.0a specification, and it'sGOWENIC 
2 Port PCI Express RS232 Serial Adapter Card, PCIe Serial Host Controller Card for Windows for Linux, for Desktop PC 2 SERIAL PORTS: PCIE RS232 allows users to add two RS232 BD9 serial ports to desktop computers or industrial equipment tDpofirs 
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Note: Open the "CH38XDRV"fi35% Off StarTech StarTech.com PEX2S953LP 2 Port RS232 PCIe Serial Adapter Card with 16950 UART Compatible with industry standard 16950 UARTELIATER ELIATER PCIe Combo Serial Parallel Expansion Card PCI Express to Printer LPT Port RS232 Com Port Adapter IEEE 1284 Contr This card capability allow for upgrade with additional serial or parallel cards to your computer easily. 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Plug and play, automatic allocation of IRQ and I / O addre