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post #31 of 37
The Swiftech MCP 355 pump is more than capable of cooling what you want. The chipset block would be more for looks than function.
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post #32 of 37
Quote:
Originally Posted by PepeLapiu View Post

That all depends on how fast you want your fans to run at. Again, at sub 1000 rpm the fans do not develop enough static pressure to push the air through a thick high FPI rad.

I recommend the UT60 for high speed fans above 1000 rpm and if you want low speed fans, I recommend the ST30.

Go with the thickest rad you can fit, but make sure you go with push/pull. Push/pull is more important than any rad thickness. A slim rad in push/pull will perform better than a thick rad in push or pull alone.
For fans, I recommend the Gentle Typhoon fans. They have the best noise to static pressure ratio.

And forget about fin count. High fin count rads need speeds above 3000 rpm to perform well. If you can put up with the noise of 3-4000 rpm fans, then.go for it.

To put in simply, more surface area will result in more friction for the air. When there is more air friction, that reduces the air flow. And fresh air flow is by far the most critical part of water cooling.
So higher surface area is only useful at high fan speeds. At low fan speed, you want low fin.count, slim rads, and low surface area to allow the weak slow fans to do their work.

Cheers cheers.gif

So do you think fans with static pressure above 3.5 and 2000rpm would handle it fine?
I wouldn't want to buy a smaller radiator than I have and experience higher temps smile.gif
I mean, my rx240 and push setup has been doing excellent, I guess all the other people I spoke with were wrong, a smaller rad would definitely let me do a push pull but I don't know which would cool the water more and I'm not willing to pay to find out! smile.gif
post #33 of 37
Thread Starter 
Quote:
Originally Posted by PepeLapiu View Post

A 120.2 rad should get you somewhat better temps than air cooling. But I think that is a strick minimum. Try to get more raddage if you can. I recommend 120mm rads over 140mm ones. I know it sounds weird but the 120mm ones perform slightly better due to the fans. Thete just aren't any good 140mm fans at the moment.

:
I recommend 120mm rads, Alphacool if possible as they are the best performers. And Gentle Typhoon fans ftw. Always go with push/pull even if you have to go down in rad thickness to accommodate fan space.
Once again, your pump is good for your rig. Get a top if you want.

Tube size really doesn't matter. Go with your taste and what you think would look better. As long as you keep tube ID above 3/8" you are fine.
I don't know about the QDC fittings. You would have to show up where and how your loop will be arranged. And what's the QDC fittings for anyway? Why do you need 3 of them?

Also, if you just don't have the room in your rig but you still want more rads, just check this out to add an other easy 120.3 rad.

Regarding the QDC fittings, I was looking at using them at the Reservoir to assist with any problems and every 6 months or so when I clean out the old water and replace it with new water.

From my readings I agree about the fan size, 120mm, so that is good and thanks for the makes of the rad and fans and the advice on the pump.

Regarding the tubing: Does size really matter? From what read, 1/2" is better than 3/8". If it really does not matter I think I would prefer 3/8". With the case I could go with the 1/2".

Regarding the rads and fans: Is it best to have the fans push the air from inside the case or outside the case? With the case I have, I cannot fit a 3 Rad Fan setup. I can either do a Duals and a Single or 2 Duals. I would prefer the a dual (top of the case) and a single (rear) because the 2 dual would take away a portion of the side case fan which is 230mm fan(which can be converted to 4 120mm or 4 140mm). Speaking of that, is it better to have 1 230mm fan or 4 120mm?

If I did the Dual and Single I was thinking of this setup: Pump/Res - CPU - Dual Rad - GPU - Single Rad - Pump/Res

Thoughts

And Thanks!
post #34 of 37
^^ 3/8 and 1/2 basically have the same mass flow rate. 1/2 you have more water moving slower. 3/8 you have less water moving faster (higher pressure). 1/2 has more headroom though to scale up in terms of pressure.....think coffee stirrer vs a regular straw.

Single large fan is better than smaller ones. Move air flow area and less noise.

I would prefer all air moving from in the case to out, but I see lots of setups where they have a rad blowing hot air into the case.


I also don't get why we needed 20 posts to discuss fin count vs air flow. Ideally you want a 10 mile thick rad with a million fins and a jet engine to blow air through it. Reality is you have a tradeoff between air pressure required, velocity needed, and surface area of cooling. Thick with slow fans is probably a little worse performance than thin with fast fans, assuming equal fin surface area between the two.
post #35 of 37
Quote:
Originally Posted by bocko57 View Post

Regarding the QDC fittings, I was looking at using them at the Reservoir to assist with any problems and every 6 months or so when I clean out the old water and replace it with new water.

From my readings I agree about the fan size, 120mm, so that is good and thanks for the makes of the rad and fans and the advice on the pump.

Regarding the tubing: Does size really matter? From what read, 1/2" is better than 3/8". If it really does not matter I think I would prefer 3/8". With the case I could go with the 1/2".

Regarding the rads and fans: Is it best to have the fans push the air from inside the case or outside the case? With the case I have, I cannot fit a 3 Rad Fan setup. I can either do a Duals and a Single or 2 Duals. I would prefer the a dual (top of the case) and a single (rear) because the 2 dual would take away a portion of the side case fan which is 230mm fan(which can be converted to 4 120mm or 4 140mm). Speaking of that, is it better to have 1 230mm fan or 4 120mm?

If I did the Dual and Single I was thinking of this setup: Pump/Res - CPU - Dual Rad - GPU - Single Rad - Pump/Res

Thoughts

And Thanks!

I have 3/8 tubing in my rig but in hindsight I wish I went for 1/2 just for looks. Thats all though.

You could have the dual taking air in and the single taking air out. It isnt like the air coming out of the rad is going to be hot and heating up components any considerable amount. If you are watercooling you dont necissarily need a 230mm fan or even 4 x 120s on the side panel. That being said airflow never hurt anyone. If you do I would just keep the 230mm on there. Cleaner having 1 wire than 4. Unless you already have 4 fans you dont need to buy 4 more.

Component order doesnt really make a difference but that being said we all have our preferences. I like having all the rads after the res. It isnt like the water passing your cpu is going to be hot and heating up your gpu.

Play around with it. Have fun.
post #36 of 37
Quote:
Originally Posted by bocko57 View Post

Regarding the tubing: Does size really matter? From what read, 1/2" is better than 3/8". If it really does not matter I think I would prefer 3/8". With the case I could go with the 1/2".

Tubing size doesn't matter. Pick the size you think will look best. I personally prefer thinner, but that's just my taste.
Quote:
Regarding the rads and fans: Is it best to have the fans push the air from inside the case or outside the case?

It doesn't matter much if your rads pull air into or push air out of the case. I recommend that both rads either pull air in or both rads push air out. Otherwise, you will be feeding one rad with the other rad's warm exhaust and that's bad.
Quote:
If I did the Dual and Single I was thinking of this setup: Pump/Res - CPU - Dual Rad - GPU - Single Rad - Pump/Res

The order of your stuff in.your loop does not matter at all. Put whatever wherever you want. All that matters is that the pump be directly after the res, and below the res.

Cheers cheers.gif
Edited by PepeLapiu - 3/6/13 at 10:52am
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post #37 of 37
Here is a good read on radiators from martins. You can also find fan round up there also.
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