The fanless computer Multi-MiniPCIe Expansion Series with the leading-edge fanless mechanic design allows users the flexibly to customize I/O interfaces. The fanless computer Multi-MiniPCIe Expansion Series is equipped with several industrial functionalities such as isolated COM ports, isolated digital inputs and outputs, dual HDD with RAID function, and even multiple GbE LAN ports for IP-Factory connectivity. It supports two built-in mini-PCIe sockets and has sufficient expansion up to 4 PCI/PCIe slots, which makes it possible to install industrial modules such as motion control cards and automation modules. With the Intel® Core™ CPUs, the systems can provide excellent computing performance and stability and are ideal for network and communication, motion control, and factory automation applications