SIIG DP CyberSerial 2S PCI
SIIG DP CyberSerial 4S PCIe Board
StarTech.com 16 Port PCI Express Serial Card - Low-Profile - High-Speed PCIe Serial Card with 16 DB9 RS232 Ports
StarTech.com 2-Port PCI RS232 Serial Adapter Card, Dual Serial DB9 Ports, Expansion/Controller Card, Windows/Linux, Standard/Low Profile
StarTech.com 4 Port PCI Express PCIe Serial Combo Card - 2 x RS232 2 x RS422 / RS485
StarTech.com 4 Port PCI Express Serial Card w/ Breakout Cable
StarTech.com 4 Port RS232 Mini PCI Express Serial Card w/ 16650
StarTech.com 4-port PCI Express RS232 Serial Adapter Card - PCIe Serial DB9 Controller Card 16950 UART - Low Profile - Windows/Linux
StarTech.com 4-port PCI Express RS232 Serial Adapter Card - PCIe to Serial DB9 RS-232 Controller Card - 16950 UART - Windows/Linux
StarTech.com 8-Port PCI Express RS232 Serial Adapter Card - PCIe to Serial DB9 RS232 Controller Card - 16C1050 UART - 15kV ESD - Win/Linux
StarTech.com 8-Port PCI Express RS232 Serial Adapter Card -PCIe to Serial DB9 Controller 16C1050 UART - Low Profile - 15kV ESD - Win/Linux
SYBA Multimedia 4-port Serial Adapter