The ComSys-5301 is a rugged computer with leading edge CPU options and COM Express based modularity plus high capacity solid state storage in a sturdy chassis. It features robust cable-less internal connectivity in a thermally efficient and light weight design. The system is SWaP optimized for fanless and ultra-reliable operational performance in harsh environments encountered in mobile ground, ship board and air defense equipment, homeland security and emergency service applications, drilling and mining operations and commercial air and ground transport infrastructure. I/O expansion enables fast system redefinition.