(LS) Sunix COMCARD-2P SER5037A Dual Port Serial IO Card PCI Card; speeds up to 115.2Kbps; Support Microsoft Windows, Linux, and DOS(L)

StarTech PEX2S553 Serial Adapter - Low-profile Plug-in Card - PCI Express - PC, Mac, Linux - 2 x Number of Serial Ports External

(LS) Sunix IPCE2204S PCIE 4-Port auto switch RS 422/485 Surge Protection Card with DB9M connectors -Expands 4 independent RS-422/485,Speeds up to 921.

(LS) Sunix 16-port RS-232 High Speed PCI Express Serial Board, 921.6Kbps, Support Microsoft Windows, Linux, and DOS (LS)

(LS) Sunix MIO6479A PCIE 2-port Serial RS-232 & 1-port Parallel IEEE1284 Card, Compatible with PCI Express x1, x2, x4, x8 and x16 lanei

(LS) Sunix IPCP3104 PCI 4-Port 3 in 1 RS 232/422/485 Card with DB9M connector, Up to 921.6 Kbps Support Windows, Linux, DOS, and UNIX (LS)

(LS) Sunix 2 port USB3.1 Enhanced superSpeed PCIe 3.0 Dual Lane with Type-C Receptable, eXtensible Host Controller Interface (xHCI) Rev1.1