Startech.com 1-port Pci Express Rs232 Serial Adapter Card - Pcie Serial Db9 Controller Card 16550 Uart - Low Profile

startech.com 1-port pci express rs232 serial adapter card - pcie serial db9 controller card 16550 uart - low profile - windows/linux - 1 port pci express rs232 serial controller card w/16550 uart/asix mcs9922cv-aa - bi-directional speeds 921.6kbps/port | 256 byte fifo | pin 9 pwr out 5v/12v/none - expansion card w/low profile (std bracket incl) - win/linux the pex1s553lp pci express serial card turns a pci express slot into an rs232 (db9) serial connection. the card is constructed using a native single chip design that lets you harness the full capability offered by pci express (pcie), while reducing the load applied to the cpu by as much as 48% over conventional bridge chip serial cards. the pci express rs232 serial adapter card is compatible with a broad range of operating systems, including windows® and linux kernel 2.6.11 to 4.11.x, and ships with a low profile/half-height bracket installed, but includes an optional full profile bracket that lets you add a serial port to virtually any computer (regardless of the case form factor). this product is a replacement for our pex1s552lp card. backed by a startech.com 2-year warranty and free lifetime technical support. more from the manufacturer