Very small removable flash-memory card.

Pin connector on a motherboard.

SATA interface implemented directly by the system chipset.

Adapter allowing a microSD card to fit larger slots.

Case panel supporting the motherboard.

USB support provided directly by system hardware.

Smaller motherboard form factor based on ATX.

Voltage-regulation circuitry supplying processors and other components.

Hardware providing network connectivity.

Compact motherboard form factor.