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Noctua NH-D9L and NH-U9S CPU cooler review




We test and review two new coolers from Noctua, the NH-D9L and NH-U9S CPU coolers. These small puppies can be used with any motherboard but focus on Micro ATX and Mini ITX. They are small, deadly silent but do pack enough punch to even cool a Core i7 4790K. And yes, you can even overclock a bit as well. Yup, that would be Noctua for ya.
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hansip87
Junior Member
Posts: 10
Junior Member
Posts: 10
Posted on: 02/17/2015 02:14 PM
Just on time when i'm searching for new cooler for my Mini ITX build
I noticed that the test only tests the NH-U9S with two fan. i wonder what's the performance of NH-D9L when it comes equipped with 2 fans? I can imagine that the front fins doesn't get much pressurized air hence lower performance.
I do think that NH-D9L should perform better because of the alignment of the heatpipes is perpendicular to the Long and vertical Ivy Bridge/Haswell die which will make its heat get spread out better.
Just on time when i'm searching for new cooler for my Mini ITX build

I noticed that the test only tests the NH-U9S with two fan. i wonder what's the performance of NH-D9L when it comes equipped with 2 fans? I can imagine that the front fins doesn't get much pressurized air hence lower performance.
I do think that NH-D9L should perform better because of the alignment of the heatpipes is perpendicular to the Long and vertical Ivy Bridge/Haswell die which will make its heat get spread out better.
Bounty
Senior Member
Posts: 113
Senior Member
Posts: 113
Posted on: 02/17/2015 02:56 PM
I don't think the NH-D9L is a very good design as it will always drag cool air over one side of the heat sink and push now warmed air over the other.
I don't think the NH-D9L is a very good design as it will always drag cool air over one side of the heat sink and push now warmed air over the other.
vbetts
Posts: 15117
Posts: 15117
Posted on: 02/17/2015 02:58 PM
Noctua's MITX coolers really have only been the only ones worth it in my experience. I've tried others from Zalman for example, and they just don't keep temps down well enough in that small of a case.
Noctua's MITX coolers really have only been the only ones worth it in my experience. I've tried others from Zalman for example, and they just don't keep temps down well enough in that small of a case.
maize1951
Senior Member
Posts: 240
Senior Member
Posts: 240
Posted on: 02/17/2015 04:46 PM
From the photos it's hard to tell if the cooler is covering up an memory slot. Is it?
From the photos it's hard to tell if the cooler is covering up an memory slot. Is it?
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Senior Member
Posts: 6973
I personally like to see Noctua make GPU Coolers aswell.
We already have Arctic Cooling, which is the Noctua of GPU Cooling, but id like to see Noctua themselves give it a go.