Miscellaneous Electronics
StarTech.com 8-Port PCI Express RS232 Serial Adapter Card, PCIe to Serial DB9 Card, 16C1050 UART, 15kV ESD - Windows Only
8 PORT SERIAL CARD: Serial controller card w/ 16C1050 UART based on the Systembase SB16C1058PCI, w/15kV ESD, 8x DB9 ports, bi-directional RS232 speeds up to 921.6Kbps per port & 256 byte FIFO buffer; Upgraded version of our popular card PEX8S952...
https://www.bizrate.co.uk/miscellaneouselectronics/startech-com-8-port-pci-express-rs232-oid13804469508.html