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Motherboard Sizes Comparability Information – TheBestMotherboard

In case you are constructing a pc your self, you must know the variations between the completely different sizes of motherboards obtainable. My first PC was a catastrophe because of not realizing that after I constructed it a few years in the past.

With right now’s motherboard dimension comparability chart, I’ll assist you determine what the completely different motherboard sizes are and the way they examine.

The article will give us extra particulars with reference to this topic, nonetheless, let’s start by presenting you with the principle comparability chart you got here right here for motherboard sizes.

Motherboard Measurement Top Width
ATX 12 inches 9.6 inches
Micro-ATX 9.6 inches 9.6 inches
Mini-ATX 11.2 inches 8.2 inches
E-ATX 12 inches 13 inches
Flex-ATX 9 inches 7.5 inches
WTX 14 inches 16.75 inches

ATX (Superior Expertise Prolonged motherboard)

On the PC motherboard, it changed the Child AT design. Resulting from its ATX structure, there’s room for full-length expansions to be put in in all sockets of the CPU and reminiscence. As an alternative of pulling air by means of the chassis, the facility provide blows air over the CPU.

As the primary PC motherboard to include serial, parallel, mouse, and different I/O ports instantly onto the motherboard, the ATX was launched in 1995. Previous to the ATX, the motherboard was outfitted with solely a keyboard connector.

In flip, a wide range of variants with each smaller and bigger kind components have been launched, together with microATX, Mini ATX, FlexATX, and Prolonged ATX.

Motherboards Form Factors

Micro ATX

A number of centimetres might be decreased from the size and width of an ATX motherboard. You typically need to sacrifice some slots as properly when you may have a smaller dimension and construct.

If you purchase the highest-end fashions, you will note comparable specs like 4 RAM slots, which is the case with ATX motherboards. As in comparison with different bigger sizes, additionally, you will discover fewer PCIe slots on mATX motherboards.

Nonetheless, the one disadvantage is that there’s much less room for future growth than with ATX motherboards, regardless that you get a lot of the similar options. Immediately, the mATX motherboards available on the market function comparable {hardware} elements to the ATX ones.

The mATX motherboards are cheaper since they’ve a smaller dimension and fewer ports. Moreover, you should use all these motherboards with smaller PC circumstances due to their compact dimension.

Mini ATX

By simply wanting on the identify of those motherboards, you’ll be able to just about guess their dimension. There are literally solely two varieties of mini-ITX boards on the market that may be outfitted with standard-sized {hardware} elements.

When it comes to dimension, these motherboards are typically the smallest, usually being 6.7 inches by 6.7 inches. Regardless of this, it is rather uncommon for bigger VRMs and heatsinks to be obtainable.

The motherboard can’t have greater than two RAM slots on account of its small kind issue. In addition to, a mini-ITX can’t help multiple GPU, so constructing a multi-GPU setup is tough.

The facility supply on the vast majority of mini-ITX motherboards can be not nice on account of their 4 pin connectors. Normally, such builds make overclocking desires not possible. Mini-ITX boards are cheap and might simply match inside a small-sized PC case, however their fundamental benefit is that they’re small and might be simply built-in.


(Prolonged ATX) ATX motherboard that extends right into a 13″ slightly than 9.6″ size.

Motherboard Size Guide


Now that you realize a bit about every kind of motherboard, we hope you may have a good suggestion about them. An growth slot and different connections are normally paid for whenever you buy a motherboard. The rationale why bigger motherboards with extra ports are costlier than smaller ones with fewer ports is due to their dimension.

In case you will construct a robust PC and want to make the most of a number of GPUs, and EATX or ATX motherboard would be the best choice. Alternatively, if you wish to construct a extra compact PC or you may have a restricted price range, you’ll be able to select between mATX and mini-ITX motherboards. Within the feedback part under, you’ll be able to talk about another motherboard-related questions you will have.

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