Mika Horward :
geofelt :
Many coolers are so wide that they can impact the backplate of a graphics card installed in the first pcie x16 slot.
You did well to consult the noctua compatibility site.
Noctua has redesigned their coolers with s variants which are offset to clear graphics,
The equivalent is the noctua NH-D15s.
Then, also, a B150 motherboard will not allow overclocking, so such a powerful cooler as the NH-D15s is not needed or appropriate for any cpu you might install that is not overclocked.
For a quieter cooler, a NH-U12s. with a 120mm fan might be appropriate.
Yeah overclocking isn't really my thing anyways, but my current cooler is pretty bad. And I'm getting 90 degree temps on my i7-7700K under load. Which is way too much for me (current cooler is a Cooler Master Tx3 EVO, 1 92mm fan).
And then I heard one of the better air coolers was the NH-D15 so it's the first cooler I wanted to do proper research into buying.
Would you say the single 120mm fan would be appropriate enough to cool it a solid 5-10 degrees down compared to my current CPU cooler? My CPU temps are partially due to the horrible airflow in my case as I need to rely on my PSU fan for exhaust at the moment, but I'm currently working on a solution for that too.
What is your case?
With a really bad case, you are doomed to bad temperatures.
Take the case covers off and direct a house fan at the innards.
If that fixes your problem, get a better case. It can cost less than the NH-D15.
At idle, your temperatures should be 10-15c. over ambient if the cooler is mounted well.
It is a pushpin mount.
Here are my canned instructions for mounting the similar Intel stock cooler:
----------------how to mount the stock Intel cooler--------------
The stock Intel cooler can be tricky to install.
A poor installation will result in higher cpu temperatures.
If properly mounted, you should expect temperatures at idle to be 10-15c. over ambient.
To mount the Intel stock cooler properly, place the motherboard on top of the foam or cardboard backing that was packed with the motherboard.
The stock cooler will come with paste pre applied, it looks like three grey strips.
The 4 push pins should come in the proper position for installation, that is with the pins rotated in the opposite direction of the arrow,(clockwise)
and pulled up as far as they can go.
Take the time to play with the pushpin mechanism until you know how they work.
Orient the 4 pins so that they are exactly over the motherboard holes.
If one is out of place, you will damage the pins which are delicate.
Push down on a DIAGONAL pair of pins at the same time. Then the other pair.
When you push down on the top black pins, it expands the white plastic pins to fix the cooler in place.
If you do them one at a time, you will not get the cooler on straight.
Lastly, look at the back of the motherboard to verify that all 4 pins are equally through the motherboard, and that the cooler is on firmly.
This last step must be done, which is why the motherboard should be out of the case to do the job. Or you need a case with a opening that lets you see the pins.
It is possible to mount the cooler with the motherboard mounted in the case, but you can then never be certain that the push pins are inserted properly
unless you can verify that the pins are through the motherboard and locked.
If you should need to remove the cooler, turn the pins counter clockwise to unlock them.
You will need to clean off the old paste and reapply new if you ever take the cooler off.
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If you will buy a better cooler, determine how tall your case can handle. 160mm is usual.
Do not count on the PSU for any cooling at all.
The job of the psu fan is to cool the psu, it will be ineffective for anything else.
In a decent case, a tower type air cooler with a 120mm fan will do the job.
I used a NH-U12s, a 120mm cooler in my case to cool a I5-7600K overclocked with no problems at all.
I think you could do the same.
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