“StarTech.com 2 Port PCI Low Profile RS232 Serial Adapter Card with 16550 UART – Low Profile 2 Port 16550 Serial PCI Card – Serial adapter – PCI – serial – 2 ports – Add 2 high-speed RS-232 serial ports to your low profile/small form factor computer with a PCI expansion slot – pci serial card – pci serial adapter – pci rs232 – dual port serial card – rs232 card ADAPTER CARD SERIAL RS232 CARD” has been added to your cart. View cart