- 29.10.2026
- Verbindungstechnik
What is VNX+, the New Standard for Small Embedded Designs?
Author: Janine Love @Samtec
VNX+ is a robust, modular standard for small-form-factor embedded systems. VNX+ (ANSI/VITA 90), ratified by ANSI in 2026, builds on the predecessor standard ANSI/VITA 74 VNX and enables standards-based modular computing in demanding environments where space, weight, and power are critical. A new white paper from Samtec titled "VNX+ Enables Small Form-Factor Embedded Systems” provides an overview of the new VNX+ standard family and explains its potential applications for small, modular embedded systems.
VNX+ Family of Standards
VNX+ is made up of a family of standards that include module profiles, significantly higher data throughput bandwidth, and improved power-dissipation capability as compared to previous standards. The hardware defined in the VNX+ family enables smaller platforms than those using OpenVPX or AMC (including MicroTCA and ATCA). It also incorporates the highest-density rugged coaxial, optical, and high-speed copper interconnect technologies available.
Samtec interconnect and alignment hardware were selected as the baseline connectivity solution for ANSI/VITA 90 VNX+ systems, supporting both plug-in module (PIM) and backplane (BP) implementations.
Why VNX+?
VNX+ addresses embedded computing applications where existing standards-based systems are too large or heavy, yet OpenVPX-class performance, modularity, and MOSA alignment remain essential.
Target applications include unmanned aerial vehicles (UAVs); unmanned underwater vehicles (UUVs); missiles; common launch tube surveillance pods; ground and naval vehicle electronics; man-wearable command, control, communications, computers, cyber, intelligence, surveillance, and reconnaissance (C5ISR) systems; as well as space-based small satellites and CubeSats. In these environments, weight directly affects range and speed, while physical volume is often the primary constraint preventing effective system integration.
The VNX+ specifications define COTS components and hardware that give system designers the flexibility to modernize or upgrade their platforms rapidly and cost-effectively. This enables quick design responses when a mission evolves or threats emerge, all while maintaining interoperability and compliance within the constraints of the standard.
In this white paper, you’ll learn more about: VITA 90.2 connection modules; VITA 90.3 power supply modules; VITA 90.4 cooling, mounting, and fastening; VITA 90.5 Space VNX+; the combination of VNX+ with VITA 93 mezzanine cards; and the relationship between VNX+ and SOSA and OpenVNX. It is important to note that the Samtec products used in VNX+ small-form-factor designs are employed in a variety of applications, not just those developed exclusively for VNX+.
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