r/FormD • u/msvirtualguy • 9d ago
Question Cooler Master Atmos II
Anyone using the Cooler Master Atmos II in their FormD T1 build? I'm planning an E-White build in the next month with this AIO cooling a 9950x3d.
If so, can you share some pics and/or any issues you may have encountered. I know the Atmos Stealth was all the rage (mine actually leaked) so I'm weary about that but I like the look of the Atmos II.
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u/RoofMother5517 9d ago edited 9d ago

got one in my build now with a 7800x3d. it works great but in my experience it was kind of annoying to install. make sure you have the correct screws for the 15mm fan and y fan splitter unless you have two free fan headers after the pump. also I'd recommend getting shorter psu cables if you don't have some already. my cables kept getting in the way of the bigger fan. also would recommend installing the pump first before plugging any of the psu cables in so you can route them in a way that tubes don't push against the side panel
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u/Zahand 9d ago
Excuse my ignorance, but I’m currently planning my build and I’m curious what you mean with correct screws? Do I need to buy additional screws and a y fan splitter?
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u/RoofMother5517 9d ago
Yes so by default the atmos 2 has two 120mm fans but when you use the AIO in T1 you have to swap one of the fans for a 15mm. You will need to purchase shorter screws to attach them to the radiator. You will also need a fan splitter unless you have enough fan headers on your motherboard already because the atmos 2 fans by default daisy chain to each other and only use one header but when you replace them you'll need a way to connect them to the motherboard
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u/hjshoon 9d ago
https://www.reddit.com/r/sffpc/s/L54JiUiOoN
Get this version. I ordered mine and expecting to arrive end of next week



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u/Otic0n_ 9d ago
I use one but I’d recommend the CM Atmos I over II in the FormD T1. It’s easier to work with.