Qseven

Qseven is a standardized computer-on-module (COM) form factor designed for embedded systems. It defines a compact module that houses the processor, memory, and chipset, which plugs into a separate baseboard via a fixed-edge connector. The module typically measures about 70 by 70 millimeters, though there are variants to accommodate different CPU and memory configurations. The baseboard provides system I/O, power management, and peripheral connections, while the module supplies the computational core.

In the Qseven architecture, the responsibilities are split to ease integration and upgrades: the module handles the CPU, memory, and chipset, while the baseboard supplies I/O interfaces, display outputs, storage interfaces, networking, and expansion connectors. The interconnects between module and baseboard include PCI Express, USB, SATA, and various system buses, with power delivery and thermal management defined by the standard and the specific implementation.

Thermal and mechanical considerations are central to Qseven designs, which are often suitable for fanless operation in compact, rugged enclosures. The fixed-edge module-to-baseboard connector supports a low-profile package, enabling slim, space-efficient assemblies used in many embedded environments.

Development and deployment with Qseven offer the advantage of swapping modules to upgrade performance or different CPU families without redesigning the baseboard. This makes it attractive for industrial automation, medical devices, digital signage, transportation, and other applications requiring a reliable, modular embedded solution.

The Qseven standard is maintained by the Qseven Consortium and has evolved through multiple revisions. It sits alongside other COM standards such as COM Express and SMARC, with broad industry support from module vendors and motherboard manufacturers.