ATX, mATX, mITX, eATX - All of these are different sizes can be confusing and this video explains what's up with each of them! Sponsor message: Squarespace is the easy, affordable way to create a beautiful, functional website for your blog, store, portfolio, or pretty much anything else! Try it out for free, and if you like it, check out the link below Sponsor Link: http://squarespace.com/techquickie - Offer code TECHQUICKIE1 to save 10% Guys I'm aware of the buzzing in the audio... Something was interfering with my mic... Nothing we can do about it :(