Flexible x4 PCI Express to 4 MiniPCI Splitter

  • Splits your upstream x4 PCI Express bus into 4 downstream MiniPCI buses
  • Flexible connection between your motherboard and the MiniPCI add-in boards
  • Easy placement of the MiniPCI add-in boards inside an embedded chassis
  • Retention of PCI Express host board is without use of a bracket (US Patent 7,850,475)



Flexible x4 PCI Express to 4 MiniPCI Splitter was designed to expand your modern motherboard (ATX, mini ATX etc.) that doesn’t have a MiniPCI interface. It allows your to connect up to four 124-pin MiniPCI add-in boards to the motherboard ‘s standard PCI Express connector.

Splitter includes 4 MiniPCI adapter boards, x4 PCI Express host board, and 4 flat PCI Express cables.

Each MiniPCI adapter board has a standard 124-pin MiniPCI connector for plug-in MiniPCI expansion add-in board (downstream). PCI Express host board connects to the motherboard x1/x4/x8/x16 PCI Express connector (upstream). Flat PCI Express cables (12 inches) are used for connection between host board and adapter boards and provide flexible connection between MiniPCI expansion boards and the motherboard.

The power for MiniPCI add-in board (5V and 3.3V) is supplied via 124-pin MiniPCI connector. The MiniPCI adapter board has standard 4-pin “Floppy drive” power connector for getting power (5V) from standard ATX power supply or any external 5V power source.

MiniPCI adapter board has 3 mounting holes for its mechanical fixation inside the computer chassis (embedded computer).

  • Easy Plug and Play installation
  • Compliant with MiniPCI specification (Version 1.0)
  • Compliant with PCI Express specification (Version 1.1)
  • Allows PCI Express slot to be spitted into 4 MiniPCI slots
  • LEDs for displaying downstream and upstream PCI Express link status
  • RoHS compliant


Product Manual


  • x4 PCI Express host board with full size bracket (optionally with PCI express Retainer)
  • Four MiniPCI adapter boards (2.5W or 16W), with PCI Express flat cables


  • SKU-071-01 – x4 PCI Express to 4 MiniPCI Splitter (2.5W MiniPCI adapter boards)
  • SKU-071-02 – x4 PCI Express to 4 MiniPCI Splitter (16W MiniPCI adapter boards)


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