Syba SI-PEX15037 PCIe x1 to 2x Serial Port Controller Card
PCIe 2x Port Serial DB9 Card, WCH CH382 Chipset, with Low Profile Bracket. Equip your PC with two serial ports with this serial controller card from Syba. This PCI Express x1 serial port controller can be installed in a full size desktop or server, or can be installed in a slimline PC as a low profile single port serial controller card. Compatible with most operating systems, this 2x serial expansion card allows the use of legacy devices on modern machines.