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crotach

How much rad for CPU+GPU ?

I have CPU/GPU overclocked on a single slim 420mm.

 

You'll be fine.

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Posted · Original PosterOP

I'm upgrading an old i7 system and I'm wondering if i need the extra rad. At the moment I have one 420 (3x140) and one 240 (2x120) rad in the case and I'm considering getting rid of the 240.

 

There will be two blocks in the case, one monoblock for CPU+VRM (3900x and Crosshair VII) and one RTX 2070S. I'm guessing 300W peak. A bit of room for upgrades/overclocking would be nice.

 

I'm going more for silence than speed. 

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A single 240mm rad would be enough for all that stuff.


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7 minutes ago, crotach said:

I'm upgrading an old i7 system and I'm wondering if i need the extra rad. At the moment I have one 420 (3x140) and one 240 (2x120) rad in the case and I'm considering getting rid of the 240.

 

There will be two blocks in the case, one monoblock for CPU+VRM (3900x and Crosshair VII) and one RTX 2070S. I'm guessing 300W peak. A bit of room for upgrades/overclocking would be nice.

 

I'm going more for silence than speed. 

If your wanting to run your fans slower I wouldn't go any lower than a 360 rad.

I have a 360 30mm thick with a 2700x @ 4.2Ghz 1.25v and a rtx 2070 OC +165 core and +1000 memory, when gaming for about 30 mins or more GPU is at 50c and CPU is around 65c with fans running about 75% I have it on a custom fan curve. It can be a bit loud at times but I perfer to keep the CPU under 70c with the OC I have.

I plan on upgrading to a 3950x with a mono block and adding a 240mm rad so I can run the fans 50% max.

 

Of corse this depends on your case, what rad and fans and blocks you have.


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Posted · Original PosterOP
2 minutes ago, ddennis002 said:

If your wanting to run your fans slower I wouldn't go any lower than a 360 rad.

I have a 360 30mm thick with a 2700x @ 4.2Ghz 1.25v and a rtx 2070 OC +165 core and +1000 memory, when gaming for about 30 mins or more GPU is at 50c and CPU is around 65c with fans running about 75% I have it on a custom fan curve. It can be a bit loud at times but I perfer to keep the CPU under 70c with the OC I have.

I plan on upgrading to a 3950x with a mono block and adding a 240mm rad so I can run the fans 50% max.

 

Of corse this depends on your case, what rad and fans and blocks you have.

Well I have a TJ07 case which is huge and with the new system it will be mostly empty. I'm replacing the HDDs with SSD and the motherboard is much smaller (ATX vs EATX)

 

The Thermochill 140.3 is 60mm wide and fits in the bottom of the case where the PSU and pumps are. I'm running two DDC3.2 pumps in series at 5v

 

I have a Swiftech MCR220 in the top which I'm considering getting rid of :)

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28 minutes ago, crotach said:

I'm going more for silence than speed. 

Then why don't you just get a decent GPU cooler and a DRP4 or NH-D15 air cooler. That would be quieter than any radiator out there, and it would actually cool your shit...

 

(EVGA FTW 3 / ROG Strix etc.)

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Posted · Original PosterOP
4 minutes ago, trevb0t said:

Then why don't you just get a decent GPU cooler and a DRP4 or NH-D15 air cooler. That would be quieter than any radiator out there, and it would actually cool your shit...

 

(EVGA FTW 3 / ROG Strix etc.)

I'm not a big fan of air cooling and I've never seen/heard one that's more quiet than my current system. Plus I have all the parts, why would I buy something else now and make it worse? 

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3 minutes ago, crotach said:

Plus I have all the parts, why would I buy something else now and make it worse? 

 

37 minutes ago, crotach said:

There will be two blocks in the case, one monoblock for CPU+VRM (3900x and Crosshair VII) and one RTX 2070S. I'm guessing 300W peak. A bit of room for upgrades/overclocking would be nice.

I got the impression you were upgrading to a new 3900X and a new RTX 2070. 

But really... 

The two mentioned are quieter than even high end radiators and cost about $90.

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45 minutes ago, crotach said:

Well I have a TJ07 case which is huge and with the new system it will be mostly empty. I'm replacing the HDDs with SSD and the motherboard is much smaller (ATX vs EATX)

 

The Thermochill 140.3 is 60mm wide and fits in the bottom of the case where the PSU and pumps are. I'm running two DDC3.2 pumps in series at 5v

 

I have a Swiftech MCR220 in the top which I'm considering getting rid of :)

With that 420 being 60mm thick you should be good to go that be like having 2 of my 360mm mine are only 30mm.

 

I would see the need for the Swiftech rad. You can always keep it on hand if you ever wanted to add some additional capacity.

 

I would upgrade my 360 to a thicker rad but i just don't have enough room i be barley can squeeze my res between my gpu and rad right now. So my only option is adding a rad at the top which i am totally fine with.

 

Personally I don't mind noise that much I rather kick my fans up higher to get even cooler temps to get better OC's.

 


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Posted · Original PosterOP
1 hour ago, trevb0t said:

 

I got the impression you were upgrading to a new 3900X and a new RTX 2070. 

But really... 

The two mentioned are quieter than even high end radiators and cost about $90.

I am, and I have the parts here. Also linus is comparing corsair AIO units in this video, that has nothing to do with my case.

I'm sure the best air cooler is better than the cheapest water cooler.

 

My radiator alone costs more than this corsair AIO, not to mention that there are two pumps in the loop, EKWB blocks and a reservoir.

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Use the 420. Should be plenty. Nothing less will come close. 


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Posted · Best Answer

I have CPU/GPU overclocked on a single slim 420mm.

 

You'll be fine.


CPU: i7-8700k MOBO: MSI MAG Tomahawk Z390 RAM: Corsair Vengeance RGB PRO 16GB 3200MHz GPU: Nvidia FE 1080ti

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