ATX vs Micro-ATX vs Mini-ITX Motherboards

atx-vs-micro-atx-vs-mini-itx-motherboards
ATX

VS
Micro-ATX

VS
Mini-ITX

Form Factor & Size
Physical Dimensions
305mm x 244mm
244mm x 244mm
170mm x 170mm

Expansion Slots
Number of PCIe Slots
Up to 7
Up to 4
Up to 1

RAM Capacity
Maximum RAM Slots
8 slots
4 slots
2 slots

Power Supply Compatibility
Standard Power Supply Size
Standard ATX
Standard ATX
SFX

Suitability & Use Cases
Ideal Use Case
Gaming and Workstations
Home and Office Use
Compact Builds and HTPCs