Computer building guide

Index:
Part 1: Form factor
Part 2: Motherboard
Part 3: CPU
Part 4: Graphics card
Part 5: CPU coolers
Part 6: Fans & Airflow
Part 7: RAM
Part 8: Storage
Part 9: Power Supply
Part 10: PCPP builds
Part 11: GPU price/performance

Part 1: Form factor
First of all, the form factor, or the size of the motherboard and case. Below is a picture comparing motherboard sizes.
View attachment 54483
For simplicity, I will refer to micro-ATX as mATX and mini-ITX as simply ITX. There are...

Computer building guide