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Help me make up my mind regarding AM4 air cooler

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post #1 of 11 (permalink) Old 06-09-2019, 03:26 PM - Thread Starter
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Help me make up my mind regarding AM4 air cooler

Hi! With Zen 2 release I'm gonna switch to either 3600/3600X or maybe 3700X, not sure yet. I'm planning to overclock it to the max within the safe voltage.
Out of AM4-compatible high-end air coolers that are actually available where I live I've narrowed the list down to the following:

- Thermalright ARO-M14G ($60)
- Noctua NH-D15S ($90)
- Noctua NH-U14S ($75)
- Noctua NH-U12A ($105)

Some of the coolers that I'm willing to consider but which are in a lower performance bracket:
- Thermalright Macho Rev. B (well it's not weaker but it's more expensive than ARO-M14 with equivalent cooling)
- Scythe Mugen 5
- Cooler Master MA620P
- Deepcool Lucifer V2

Case is Corsair Carbide 270R (170mm CPU Cooler height clearance). Front intakes are 2x Silent Wings 3 140mm High Speed PWM and 1 ghetto-zip-tied Noctua NF-R8 Redux PWM to create some pressure and airflow at the very top of the case. Exhaust is 1x Noctua NF-P12 Redux 1700 PWM at the back.

One nuance is that I'd like to be able to zip-tie a fan to blow on motherboard VRM if that is needed, therefore thinner heatsinks are more preferable in a way, making me kind of lean towards U14S.

Some of that were not included but are available here:
- True Spirit 140 Power sadly is a couple of millimeters too tall, otherwise it would be a go-to
- NH-D15 is too big/thick for my taste
- Same goes for Le Grand Macho RT
- Dark Rock Pro 4 too is huge and overhangs the RAM
- Scythe Ninja 5 is freakishly thick and has low-RPM fans
- MSI Core FROZR XL is way too expensive here for what it is, costing over $105
- Dark Rock 4 is too weak, I might just as well reuse my current MSI Core Frozr L instead

So what I'm asking you is to share any thoughts and give any input you can think of. I literally cannot make up my mind and this has gone on for weeks now. I'm leaning towards D15S or U14S but ARO-M14G looks good too. I'm kind of close to dropping U12A from the short list due to price and two fans (more noise, not much more cooling), but it also is kind of intriguing as it it the most bang-for-the-size out of them all. Also ARO-M14G is definitely the value champ here, but Thermalright fans are not available here at all and I'd have to order one from China and wait like 5 weeks for the replacement, should one fail.

Last edited by Mungojerrie; 06-09-2019 at 03:35 PM.
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post #2 of 11 (permalink) Old 06-09-2019, 04:52 PM
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Mugen 5 if you can't fit the Thermalright Macho / ARO-M14G.


NH-U14S has staggered heatpipes but performance is close enough that you should only buy it if you can get the newer version with AM4 support out of the box.


see https://nl.hardware.info/reviews/778...j-30-en-40-dbn
https://nl.hardware.info/reviews/[email protected]


130W, 40dB
NH-D15 = 49.5°C
NH-U14S = 50.6°C
Mugen 5 = 53.3°C


https://www.hardocp.com/article/2018...ooler_review/3
CPU-only temp with overclocked Ryzen 7 , 3.9 GHz at 1.475 volts in Prime95:
NH-U14s single fan = 79.9°C
ARO-M14G = 83.3°C


http://www.xtremesystems.org/forums/...lright-ARO-M14
Ryzen 1700X @ 3.9GHz
NH-D15 = 61°C
ARO-M14G = 64°C

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Last edited by AlphaC; 06-09-2019 at 04:59 PM.
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post #3 of 11 (permalink) Old 06-09-2019, 08:22 PM
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LGMRT is 3mm shorter than the M14G, and 1mm taller than U12A.

M14G rated @ 240w, LGMRT rated @ 320w. Also, LGMRT is big, but in a compact way.

Since you cant run TS140P, my money would be on LGMRT or U12A, and out of those two I would choose Thermalright again.

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Last edited by Owterspace; 06-09-2019 at 08:56 PM.
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post #4 of 11 (permalink) Old 06-10-2019, 06:37 AM - Thread Starter
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Quote: Originally Posted by AlphaC View Post
Mugen 5 if you can't fit the Thermalright Macho / ARO-M14G.


NH-U14S has staggered heatpipes but performance is close enough that you should only buy it if you can get the newer version with AM4 support out of the box.
Thanks for the input! All Noctua coolers except for U12A require separate AM4 mounting kits but those kits are readily available in retail, cost $5 and I've included their cost in the listed prices.
Regarding the staggered heat pipes - is that a good or a bad thing?
Also is it worth getting D15S over U14S purely for performance in your opinion? Or is the difference too small to even bother considering it?



Quote: Originally Posted by Owterspace View Post
LGMRT is 3mm shorter than the M14G, and 1mm taller than U12A.

M14G rated @ 240w, LGMRT rated @ 320w. Also, LGMRT is big, but in a compact way.

Since you cant run TS140P, my money would be on LGMRT or U12A, and out of those two I would choose Thermalright again.
Thanks for the input. Height is not an issue since all of those are below 170mm tall. Sadly, LGMRT is completely out of stock now so why is your money on U12A?
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post #5 of 11 (permalink) Old 06-10-2019, 06:58 AM
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I agree with Owterspace about LGMRT. Only possible problem is if you have RAM behind CPU or PCIe socket is too close.


If you are seeing Noctua coolers without AM4 mount in the box they are extremely old stock. AM4 was released September 2016 .. 2 years 8 months ago.


NH-D15s is probably a little better than U14S, but not much.


Probably because NH-U12A has 7x heatpipes and 2x Nf-A12x25 fans (best fans out right now), all in 158x135x112mm package makes it a winner in everyone's eyes .. except those who can't stand baby poo brown fan colors.

Phanteks Owners Club Ways to Better Cooling
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post #6 of 11 (permalink) Old 06-10-2019, 08:01 AM
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Quote: Originally Posted by Mungojerrie View Post
Thanks for the input! All Noctua coolers except for U12A require separate AM4 mounting kits but those kits are readily available in retail, cost $5 and I've included their cost in the listed prices.
Regarding the staggered heat pipes - is that a good or a bad thing?
Also is it worth getting D15S over U14S purely for performance in your opinion? Or is the difference too small to even bother considering it?

Thanks for the input. Height is not an issue since all of those are below 170mm tall. Sadly, LGMRT is completely out of stock now so why is your money on U12A?

Depends on how high you are overclocking , I can tell you for a fact that True Spirit 140 Power and NH-U14S both can handle a Ryzen 7 2700X / Ryzen 7 1700X overclocked , even more so if you're not using AVX instructions to encode or whatnot.


NH-U14S heatpipes being staggered means that the airflow around the heatpipes isn't in the wake of other heatpipes so the dissipation is a bit higher than if they're in a line. The design also means that heat spreads across some more of the fin area.

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post #7 of 11 (permalink) Old 06-10-2019, 08:18 AM
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Not knowing what motherboard you are using means we don't if wider coolers you are considering will not overlap your 16x PCIe socket. Just a thought.

Phanteks Owners Club Ways to Better Cooling
i7 980 @ 3.55GHz =PH-TC14PE w/2x TY-143 fans =Crucial Ballistix 3x4GB =GA-X58A-UD5 =ASUS GTX580 DirectCU II =Enermax Modu84+ =Define R2 w/3x TY-140 case intake fans; all PWM controlled by CPU fan socketPhanteks Enthoo Primo MoBo Rampage III Extreme CPUi7 980X
@ 4.0GHz =R1 Ultimate w/2x TY-143 fans =Dominator GT 6x2GB =Rampage III Extreme =ASUS GTX580 DirectCU II =TX850 =Enthoo Primo w/ custom castor base
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post #8 of 11 (permalink) Old 06-10-2019, 01:09 PM - Thread Starter
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Quote: Originally Posted by doyll View Post
I agree with Owterspace about LGMRT.
...
Probably because NH-U12A has 7x heatpipes and 2x Nf-A12x25 fans (best fans out right now), all in 158x135x112mm package makes it a winner in everyone's eyes .. except those who can't stand baby poo brown fan colors.
Again, sadly LGMRT is nowhere to be found and it doesn't look like it's gonna restock soon enough.
I understand the technical reasoning for U12A with the fans and heat pipes, but ultimately cooling performance is king and since it's around on par with D15S and U14S those peculiarities don't really matter to me that much. Price premium is very real though.

Quote: Originally Posted by AlphaC View Post
Depends on how high you are overclocking , I can tell you for a fact that True Spirit 140 Power and NH-U14S both can handle a Ryzen 7 2700X / Ryzen 7 1700X overclocked , even more so if you're not using AVX instructions to encode or whatnot.
I'm aiming to achieve maximum 100% stable(Linpack Extreme, Prime95) frequency within the safe voltage limits. Can't be sure about frequencies at this moment though. Anyway, it would be great to not be limited by cooling.

Good to know regarding the 2700X cooling. I doubt that 3800X is going to be able to get much hotter. And as a 6-core CPU is the more likely buy, it looks like any of the mentioned coolers will be more than enough.

Quote: Originally Posted by doyll View Post
Not knowing what motherboard you are using means we don't if wider coolers you are considering will not overlap your 16x PCIe socket. Just a thought.
Problem is I don't know yet - none of the X570 are for sale yet. If there will be no decent affordable (under $200) X570 board then I'll go for MSI X470 Gaming Plus. As far as I've checked, none of these coolers should interfere with PCIe x16 slot on modern motherboards.
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post #9 of 11 (permalink) Old 06-11-2019, 07:23 AM
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Quote: Originally Posted by Mungojerrie View Post
Again, sadly LGMRT is nowhere to be found and it doesn't look like it's gonna restock soon enough.

Problem is I don't know yet - none of the X570 are for sale yet. If there will be no decent affordable (under $200) X570 board then I'll go for MSI X470 Gaming Plus. As far as I've checked, none of these coolers should interfere with PCIe x16 slot on modern motherboards.
I suggest you wait to buy cooler until you know what motherboard you are going to get. Buying a cooler before having motherboard is like buying tires without having the car you plan to put them on .. you are guessing and hoping they will fit.


Where are you located? What country?

Phanteks Owners Club Ways to Better Cooling
i7 980 @ 3.55GHz =PH-TC14PE w/2x TY-143 fans =Crucial Ballistix 3x4GB =GA-X58A-UD5 =ASUS GTX580 DirectCU II =Enermax Modu84+ =Define R2 w/3x TY-140 case intake fans; all PWM controlled by CPU fan socketPhanteks Enthoo Primo MoBo Rampage III Extreme CPUi7 980X
@ 4.0GHz =R1 Ultimate w/2x TY-143 fans =Dominator GT 6x2GB =Rampage III Extreme =ASUS GTX580 DirectCU II =TX850 =Enthoo Primo w/ custom castor base
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post #10 of 11 (permalink) Old 06-11-2019, 01:02 PM - Thread Starter
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Quote: Originally Posted by doyll View Post
I suggest you wait to buy cooler until you know what motherboard you are going to get. Buying a cooler before having motherboard is like buying tires without having the car you plan to put them on .. you are guessing and hoping they will fit.


Where are you located? What country?
Due to certain circumstances I'll have to choose a cooler first, but then I'll make sure to choose a motherboard that won't have its PCIe x16 slot blocked.

I'm in Ukraine, why?
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