ATX is both the name of the standard and also how we refer to the most common size. If you've ever cracked open the side of a computer case, this form factor will likely look familiar. Measuring ...

Motherboard sizes explained There are four motherboard sizes available in 2025 from major manufacturers such as Asus, Gigabyte, and MSI, among others. These are Mini-ITX, MicroATX, ATX, and E-ATX.

How to Tell If a Motherboard Is an ATX. The Advanced Technology Extended motherboard specification, also known as the ATX form factor, was created in 1997 to standardize board size and component ...

M.2 and SATA Ports: Larger motherboards like ATX and E-ATX generally offer more M.2 and SATA ports, allowing for more storage options. Smaller boards like mATX and mini-ITX have fewer of these ports.

Best answer: Micro-ATX. For most people, Micro-ATX motherboards have all the requirements for a basic build and often come at an affordable price. ATX vs. Micro-ATX: The size difference ...

ATX boards measure 305 by 244 millimeters, and PC parts and case sizes have largely standardized around them. That means they're perfect for powerful PC builds inside mid-sized and large towers.

Both Mini-ITX and Micro ATX boards are squares, whereas standard ATX is a rectangle. Between the two smaller sizes, the Mini-ITX board is noticeably smaller at 6.7 inches x 6.7 inches, while the ...

The ATX Breakout board V2.0 is compatible with 20 pin and 24 pin power supplies, there is also an extra 4 pin connector to take advantage of the 12V CPU Power for extra current output.

Motherboard sizes explained There are four motherboard sizes available in 2025 from major manufacturers such as Asus, Gigabyte, and MSI, among others. These are Mini-ITX, MicroATX, ATX, and E-ATX.