![StarTech.com 4-port PCI Express RS232 Serial Adapter Card - PCIe Serial DB9 Controller Card 16950 UART - Low Profile - Windows/Linux - (Fleet Network) StarTech.com 4-port PCI Express RS232 Serial Adapter Card - PCIe Serial DB9 Controller Card 16950 UART - Low Profile - Windows/Linux - (Fleet Network)](https://cdn11.bigcommerce.com/s-xwx16vh8tc/images/stencil/500x500/products/358475/1981275/1062450265__98673.1720425259.jpg?c=2)
![StarTech.com 4-port PCI Express RS232 Serial Adapter Card - PCIe Serial DB9 Controller Card 16950 UART - Low Profile - Windows/Linux - (Fleet Network) StarTech.com 4-port PCI Express RS232 Serial Adapter Card - PCIe Serial DB9 Controller Card 16950 UART - Low Profile - Windows/Linux - (Fleet Network)](https://cdn11.bigcommerce.com/s-xwx16vh8tc/images/stencil/160w/products/358475/1981276/1062450265__26804.1720425259.jpg?c=2)
StarTech.com 4-port PCI Express RS232 Serial Adapter Card - PCIe Serial DB9 Controller Card 16950 UART - Low Profile - Windows/Linux - (PEX4S953LP)
4 PORT SERIAL CARD: Serial controller card w/16950 UART based on ASIX AX99100, allows 4x DB9 ports w/bi-directional RS232 speeds up to 921.6Kbps per port, available 256 byte FIFO buffer; Upgraded...
$160.69
$147.52