MicroATX has almost certainly always been more popular than MiniITX.
MicroATX motherboards are usually cheaper than ATX or MiniITX and you can typically use normal PSUs and optical drives instead small ones that are more expensive and have fewer options.
You can always put a mini ITX board in a full size ATX case if you want though...
MicroATX motherboards are usually cheaper than ATX or MiniITX and you can typically use normal PSUs and optical drives instead small ones that are more expensive and have fewer options.
You can always put a mini ITX board in a full size ATX case if you want though...