The three form factors for desktop system boards are: ATX, and BTX and NLX
ATX
BTX
ATX and BTX are types of motherboards designed by Intel. ATX is the more popular motherboard and has been around since the mid 90's and was designed for the ease of adding and removing components. BTX boards are newer then ATX and were designed to provide better airflow throughout the computer while maintaining the benefits of the ATX design. BTX has improved air flow , can be used in all cases and is able to use ATX power supply.
atx,nlx,btx
The main difference between ATX and BTX, is that BTX rearranges components on the ATX board to improve thermodynamics. Components changed that reduced the heat production within a PC, negating the need for the switch to the BTX board.
Atx, btx, nlx
ATX or BTX
ATX motherboards are best suited to providing legacy slots and ports (such as PCI).
Yes, if it is an ATX motherboard. The motherboard specifications should say specifically if it is ATX, mini ATX, BTX, ITX, etc. Most motherboards are ATX.
ATX, MicroATX, Flex ATX, BTX, and NLX, In that order.
AT, ATX, and BTX