Help! My Cooler Doesn't Fit in My Case, What Should I Do?

May 12, 2025 2 answers
Asked by CuriousCat267
Hey everyone, I'm feeling a bit overwhelmed right now. I just built a new PC with an Intel Core 9 Ultra 285k, a Noctua DH15 G2 cooler, and an NZXT H9 Flow case. I messed up and didn't realize that the cooler is too tall for the case, which is causing issues with the front glass panel fitting properly. I'm considering my options: Should I swap the case to something that fits, like the NZXT H5 Flow? Or would it be better to switch to an AIO cooler? I also thought about just using a 120mm fan for the front instead of the Noctua and adding extra fans for intake and exhaust. What do you all think?

Answers

GamerGuru99
You might want to consider the Thermalright Phantom Spirit coolerโ€”it's only 154mm tall, so it should fit perfectly in your case. Plus, for the performance of the 285k, an AIO cooler could be a solid choice too. They have several good options around $100.
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TechyTim123
The Noctua NH-D15 G2 is actually 168mm tall, while the NZXT H9 Flow only has a clearance of 165mm, so it's no surprise you're running into this issue! I suggest swapping your case for the NZXT H5 Flow, which accommodates up to 170mm coolers. This way, you won't have to change your cooler setup. What do you think?

FanaticFrodo: You're suggesting a case swap, which means redoing all the cables, motherboard, and fans. Wouldn't it just be easier to change the cooler instead?

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