Build a VPX system around your defense application’s requirements
When choosing computing hardware for a defense application, you need to consider more than processing power. Your system may need to handle large amounts of data, connect multiple components and operate within strict limits for space, power and cooling.
VPX technology gives you a modular way to build an embedded computing system around your application’s requirements. But how do you choose the right components, and what do VPX, OpenVPX and SOSA mean for your project?
This guide explains the basics and what to consider when selecting a VPX solution for defense applications.

VPX is a family of standards for modular embedded computing hardware. A VPX system combines different boards inside a chassis, connected through a shared backplane.
Depending on your application, your system may include:
The advantage is flexibility. You can configure a system around your processing, connectivity and integration requirements rather than relying on one fixed hardware setup.
Start by defining what your application needs to do:
Your CPU board handles general computing tasks. The right choice depends on your workload, memory requirements, software and power budget.
Blue Line offers several options, including


If your application requires specialized data processing, an FPGA can complement your CPU.
It allows hardware logic to be configured for specific tasks.
Your components need to exchange data reliably and at the required speed. The right switch depends on your bandwidth, interfaces and network architecture.

The 3U and 6U formats refer to different VPX board sizes. Your choice depends on the available hardware, processing and I/O requirements, space constraints and overall system design.
Blue Line’s VPX-3500 is a rugged enclosure designed for 3U OpenVPX configurations. For systems built around 6U boards, the VPX-2000 is a rugged 10U enclosure designed to accommodate up to ten 6U VPX boards.
Consider the complete configuration, including the backplane, power requirements and cooling, before choosing a format.
“If you want to protect your mission capabilities and stay ahead of future requirements, choosing the right hardware is essential”
– Brian Ulskov Sørensen, CEO & Defense Specialist, Blue Line Nordic.

These terms are related, but they are not interchangeable. If your project requires SOSA alignment, check the applicable profiles and product documentation. SOSA-aligned should not automatically be interpreted as certified or compliant with every SOSA requirement.
Before choosing your hardware, consider these four factors:
Planning these requirements early can help you avoid choosing individual components that do not work together as intended.

Your systems cannot depend on one layer of protection. If a single layer is There is no single VPX configuration for every defense application.
The right solution depends on what you need to process, how your components communicate and the constraints of your operating environment.
Blue Line offers VPX CPU boards, FPGA boards, switches and rugged enclosures for different embedded computing requirements.
Explore our Defense Computers to see the available solutions, or contact our team to discuss your application.
Access solutions built to overcome the unique demands of mission-critical operations

Defense computers aren’t just equipment. They’re systems that protect lives. Read the complete guide about defense computers.
A VPX computer combines modular computing components in an embedded system. In defense applications, it can support processing, networking and specialized computing tasks.
VPX defines the hardware standards, while OpenVPX adds architectural profiles to help specify how system components connect.
Neither is automatically better. The right format depends on your application’s processing, I/O, space, power and integration requirements.
It means a product is designed with reference to applicable elements of the SOSA Technical Standard. Check the product documentation to confirm whether it meets your project’s specific requirements.
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