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Noctua NH D14 VS Megahalems

post #1 of 13
Thread Starter 
Hi, that's pretty straight forward, stock Noctua D14 VS Megahalems rev. B+ 2 Scyhte S Flex 1900rpm (push pull).

The price of that two is almost the same (+-10 USD).

Need for the i5 , looking for some stable 4.0ghz 24/7 and some hi OC for benchmaks

Thanks
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post #2 of 13
I have both and if I have to choose only one then it's the Noctua NH-D14 hands down. Better cooling capabilities & with the right mobo/settings, you can OC it way past 4GHz.
Edited by reaper~ - 12/28/10 at 7:16pm
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post #3 of 13
Thread Starter 
i saw some unlocked version go up high to 4,8Ghz that's sick..so i'm thinking of getting the noctua rather than the megahalems
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post #4 of 13
Quote:
Originally Posted by reaper~;11811596 
I have both and if I have to choose only one then it's the Noctua NH-D14 hands down. Better cooling capabilities & with the right mobo/settings, you can OC it way past 4GHz.

This.

And really. S-Flexes. Check out my review in item 1. of my sig.
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post #5 of 13
Thread Starter 
Hi, today I bought the Noctua NH-D14 here at a local shop, I'm amazed by the size and by the cooling potential. Now I have a chieftech dragon case with low or no at at airflow and I'm getting about 29-32C IDLE and 40-43C LOAD at stock speed (i5 760). OC to 4,2GHz 1,35V Idles at 40C and Loads at max 64-66C.
I can't imagine what would it do in a new case with better airflow.

And here is my question. Since I'm buying for sure the NZXT M59 pure black case (low budged buy well equipped), I was wondering what's the best way of putting the Noctua and the other fans inside the case. I draw really quickly some scenarios.

The first is obvious, cold air intake on the front, hot output on the rear and up.
mode1.jpg

The second one would see the Noctua facing up and taking cold air via the upper fans and blowing hot air to the GPUs.
mode2.jpg

The third one, see the noctua taking cold to the rear and exhaust the hot to the front.
mode3.jpg


In my opinion the first one is tempting because is usual, but the cold air have to travel a lot more to get to the first fan, so it's questionable how cold could it be. In the second one and third one the cold air arrives really fast to the fan, but the hot air remains inside the system.

What do you think? I need some advice also on the case fans, i need 3-4pcs, I was thinking abount Scythe slipsteam 120-140mm
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post #6 of 13
Definitely go for the NH-D14, it's a monster. As for your pics, go for the 1st one (everything out the back) and stick some fans on the roof as exhaust also thumb.gif
post #7 of 13
i just move to Noctua NH-D14 i had a Corsair H50 push pull
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post #8 of 13
Go with the first picture. Cooler should blow air toward the rear case fan - front to back airflow just like with the rest of the case. Making it blow from top to bottom is just silly as heat naturally rises and there is no exhaust at the bottom, unless you flip your PSU. Your GPU would suffer from the CPU heat. Making the cooler blow air from bottom to top is also a bad idea - it will also be moving the GPU heat.
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post #9 of 13
Thread Starter 
hi, thanks for the fast replies. I think I'll stick with the first pics. I'm reading a bit here, and i see some texts about negative and positive pressure, could I achieve in theory more CFM OUT than IN if I put the fans like in the 1st pic???
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post #10 of 13
This:

Hotrod_Airflow.png

It's an NZXT Beta Evo - a close cousin to the case you are getting. From the top:

Hotrod_Take_2_From_the_Top.png

This is what I do with the rear top fan position, to prevent recirculation.

Note that the rear grill has been removed and there is no rear fan - the heatsink pull fan acts as the case exhaust (see item 2. in my sig). Quieter that way, and works great.

BTW - the case you are getting supports 140mm fans in the top position(s). I'm using a Kaze Maru 1200 rpm fan for that. Other choices include the KM2 1200rpm and the TY-140. Note that the KM is a sleeve bearing fan, so works as a top intake, not a top exhaust. For top exhaust your best 140mm bet would be a TY-140.
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