Best answer: Yes. SFX power supplies fit into ATX PC cases but typically need an adapter and possibly extension cables.
What’s unique about an SFX PSU?
Source: Rich Edmonds / Windows Central
That said, there can be some differences that could matter depending on how you want to set up your build. The smaller size might open up some breathing room for components, but it can introduce some complications as you try to install it.
How to fit an SFX PSU in an ATX case
Some cases come with this support by default. You’ll have to check what the case can handle. For the most part, if it’s a big ATX case, versus an ITX one, you should be able to fit anything in there. PSUs don’t get bigger than that. If it is indeed a smaller case, it should slot in without an adapter as that is what these types of PSUs are made for. One you have that though, it should perform just as well as any other PSU like the NZXT C650.
The SFX PSU cable problem
Source: Windows Central
SFX PSUs will sometimes require cable extensions to properly work inside of an ATX PC case. It’s a minor annoyance, not an expensive one. You might only need extra cable length for a few components, but it’s worth checking before you fully commit to your build. Obviously if you’re building in a smaller case it isn’t an issue. It’s always good to check the dimensions of your case though.
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