3.5″ Single Board Computer (SBC) is a kind of small embedded board compliant with Embedded Compact Extended (ECX) form factor developed by Intel. A 3.5″ SBC is a complete computer with all of its necessary components, including processor, memory, storage, I/Os and/or other features required for a functional computer, built onto a single circuit board. It is often housed inside a larger device or product to provide additional intelligence or control the functions of machine or equipment.