Advanced Technology Extended (ATX) is probably the most generally used PSU type issue that's 150mm extensive, 86mm tall and 140mm deep. While these measurements maintain true for the ATX PS/2 variants, the PS/3 variants have a smaller depth of 100mm. You might additional discover a slight distinction on the size relying upon your PSU producer. For instance, I took the measurements of my CORSAIR RM850X and located that its precise dimensions have been 150mm x 86mm x 160mm as a substitute. Below is a listing of some professionals and cons that can make it easier to higher analyze the ATX type issue. Strengths: Suitable for a variety of builds Weaknesses: Too massive for compact builds Cheaper than SFX ones (for similar wattage and effectivity score)