Kontron K4021-U mSTX for compute-intensive AI-powered applications
Kontron K4021-U mSTX Industrial Series
Kontron has once again pushed the boundaries of embedded computing with the release of the K4021-U mSTX motherboard. This innovative mini-STX platform is designed to meet the demands of compute-intensive, AI-powered applications, making it an ideal choice for industries ranging from digital signage to medical technology. With its powerful Intel® Core™ Ultra processors, advanced graphics capabilities, and robust connectivity options, it is poised to meet the needs of the most demanding AI and industrial applications. Designed and manufactured in Germany, the K4021-U mSTX embodies Kontron’s dedication to quality and innovation. The Kontron K4021-U mSTX motherboard delivers cutting-edge performance in a compact form factor and was awarded as Elektronik’s Product of the Year 2025.
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Key features:
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Order K4021-U at R24 K4021-U Datasheet
Product Highlights
- Cutting-Edge Performance with Intel® Core™ Ultra Processors. At the heart of the K4021-U mSTX motherboard are the latest Intel® Core™ Ultra 7 and 5 processors. These processors, part of the Meteor Lake U SoC family, deliver exceptional performance and efficiency. The integrated Neural Processing Unit (NPU) enhances AI capabilities, offering up to 20x performance-per-watt improvement, making it perfect for tasks such as image recognition and automation.
- Advanced Graphics and Display Capabilities. The K4021-U mSTX is equipped with Intel® UHD Gen12 graphics driven by the Intel® Xe architecture. This setup supports up to four concurrent 4K60 HDR displays or two 8K displays, providing stunning visual performance for demanding applications. The motherboard includes multiple DisplayPorts, including one via front USB Type-C and another with Thunderbolt 4 support, ensuring versatile connectivity options.
- Compact, Versatile, and Efficient for Modern Industrial Applications. The compact and versatile design of the K4021-U mSTX makes it an excellent choice for space-constrained installations. The flat design of the mSTX form factor provides a good alternative to 3.5” or NUCs, in particular for installations where space is at a premium. Whether it’s powering a point-of-sale system, optimizing production processes, or driving a digital signage solution, this motherboard delivers the performance and reliability needed for modern industrial applications. Supporting standard components such as M.2 SSDs and SO-DIMM memory, its energy-efficient design, wireless installation, easy maintenance and flexible expandability make it a cost-effective solution, too.
- Robust Connectivity and Expandability. Designed with flexibility in mind, the K4021-U mSTX features four M.2 slots for storage and Wi-Fi modules, along with numerous connectivity options such as GPIO, two COM ports, Thunderbolt 4, and USB 3.2 Gen2. This extensive range of interfaces ensures that the motherboard can be tailored to a wide variety of industrial applications.
- Built for Reliability and Continuous Operation. Kontron’s commitment to quality is evident in the K4021-U mSTX design. Engineered for 24/7 continuous operation, the motherboard can operate within an extended temperature range from 0 °C to 60 °C, making it suitable for harsh industrial environments. The use of high-quality components and strict lifecycle management ensures long-term reliability and reduced total cost of ownership.
Target applications:
- POS/POI
- Production optimization
- Medical
- Digital Signage
- Kiosk solutions
Matching Accessories for Seamless Integration
To complement the K4021-U mSTX, Rutronik offers a full suite of accessories. These accessories ensure easy integration, long-term reliability, and cost-effective deployment in space-constrained environments.
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Kontron’s SMARTCASE™ Chassis Kit Compact, robust housing for embedded deployments
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Kontron’s Active Heatsink for K4021-U Optimized thermal management for 24/7 operation
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In addition, you can supplement the K4021-U mSTX with other components from the Rutronik portfolio, like memory and storage:
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DDR5 Memory Modules Up to 96 GB for high-speed data processing |
High-Performance SSDs Industrial-grade storage for reliability and speed |
