“StarTech.com 2 Port PCI RS422/485 Serial Adapter Card with 161050 UART – Add two RS422/485 serial ports through a standard or low profile PCI expansion slot – pci serial card – rs422 serial card – rs485 serial card – dual port serial card – 2 port rs422 pci card PCI2S4851050 SERIAL ADAPTER CARD” has been added to your cart. View cart