RocketPort ® EXPRESS

The RocketPort EXPRESS PCIe multi-port serial cards are Comtrol’s next generation multi-port serial adapters, upgraded from previous PCI BUS technology. These advanced PCIe cards can now be connected via PCIe BUS with increased speed. The EXPRESS design takes advantage of the increased performance of Comtrol’s exclusive Unity ASIC chip.

Take advantage of Comtrol’s support forum for information and answers to questions about PCI and PCIe; PCI vs. PCIe, PCIe extension cables, USB to serial adapters and converters, RS-232, RS-422, RS-485 or any other general information about PCI Express technologies.


  • PCI EXPRESS serial x1, x2, x4, x8, x12 and x16 lane connectivity
  • Low-profile or standard height compatible
  • RS-232, RS-422, RS-485 software-selectable
  • 4- to 32-port interfaces
  • RoHS2 compliant under CE
  • High performance serial port expansion cards with speeds up to 921 kbps
  • Microsoft Signed Drivers (WHQL) for Windows 7, Windows Server 2008, Windows Vista, Windows Server 2003 and Windows XP