Lycom - IO-112 - Motherboard USB to RS232 2Ports (with 5V Bus Power) Low Profile Host card - Add 2 Ports RS232 at Low Profile card to Transmit and Receive Data at 230Kbps to your PCI Express or PCI slot System
Lycom - IO-114 - Motherboard USB to RS232 4 Ports (with 5V Bus Power) Low Profile Host card - Add 4 Ports RS232 at Low Profile card to Transmit and Receive Data at 230Kbps to your PCI Express or PCI slot System
STLab - I-360 - PCIe x1 Card - Adds two RS232 serial ports - Full and Low Profile brackets - Compliant with PCI Power Management 1.2 - Supports 2x UART serial ports - Built-in 16C950 compatible UART - 128-byte deep transmit/receive FIFOs - Data transfer rate up to 230400bps
Lycom - IO-118 - Adds 8 Serial RS232 Ports - Low Profile card - Transmit and Receive Data at 230Kbps - Fits into PCI Express or PCI slot - Powered from a USB port - This card actually is a USB to Serial adapter and is inserted into PCI or PCI Express slot only for mechanical purposes
VScom - PCIex-200H - PCIex-200H - PCI Express x 1 interface - 2 x RS232 ports - 16C950 (128 Byte FIFO) - Up to 921 kbps transfer rate - PCI Plug and Play - Extra bracket for Low Profile cases
VScom - PCIex-400E - PCIex 400E - PCI Express x 1 interface - 4 x RS232 ports - 16C950 (128 Byte FIFO) - Up to 921 kbps transfer rate - PCI Plug and Play - Extra bracket for Low Profile cases