The compact box PCs of the PR3 series from the ctrlX IPC range are available in different extension levels. Various interfaces can be used to connect the spatially separated DR / DE multi-touch displays. The use of the high-performance Quad-Core ATOM CPU E3940 with low power losses enables a fanless unit design. High performance as well as a variety of expansion options and standard interfaces, including real-time Ethernet communication, make the PR3 box PC the ideal solution platform for all HMI-based applications in the cost-optimized performance segment. The integrated TPM 2.0 chip provides the necessary security in the IoT environment, which makes the robust units ideal for Industry 4.0.