“StarTech.com 2 Port PCIe Serial Adapter Card with 16550 – Add 2 RS-232 serial ports to your standard or small form factor computer through a PCI Express expansion slot – pci express serial card – pci-e serial card – pci express RS232 – rs232 card – dual port serial card ADAPTER CARD WITH 16550 UART” has been added to your cart. View cart