How could you tell wether a system was regular btx micro btx or pico btx?

Answer:
BTX has up to seven expansion slots and can be up to 325.12 mm wide.
MicroBTX has up to four expansion slots and can be up to 264.16 mm wide.
PicoBTX has none or one expansion slot and can be up to 203.20 mm wide.
First answer by Haoxue101. Last edit by Haoxue101. Contributor trust: 0 [recommend contributor recommended]. Question popularity: 2 [recommend question].