Need some advice regarding radiators

[lol]

Well we warned you about having only a 480, we told you that a XTX is better then the PE and its up to you if you want 1850 or 3000 rpm fans.
If your posting about how you aren't taking our advice then people won't see any point in trying to help. So you have our opinions on your questions and now its up to you if you want to listen or not. I personally got a high fpi rad for my first build (thinking just like you) and was stuck with it for dimension reasons for some time and finally got a build that will fit something else. So if you want, you can make the same mistake I did.

Hey I love you guys' advice so far, it may seem as if I am not listening and just doing what I want to do regardless but i can assure you that's not the case. It's just me being a noob trying to do the impossible while having no idea what I am doing.

The reason why it may seem as if I am not interested in advice is because I am more interested in the why and why not. I want to learn and understand more then anything else.

All I know is from what I have heard people say, it's much like when you are picking up a GPU for the first time and base your choice on the fact that "game x looks really good with gpu y on youtube" while in fact there is much more to it then that and different gpus are better for different things etc.

It's the same with watercooling, only much more complicated. I want to be able to see for myself why solution x is better then y. Of course to a noob like me it's not going to make any sense because I don't understand everything about watercooling yet which is why it may seem as if I am being a stubborn know it all.

 

[alpenwasser]

I think I am going to have to go with the 1850RPM version of the GTs. By the looks of it the 3000RPM version is 35mm instead of 25mm.

Nope, this 3000 rpm GT is 25 mm.

Hey I love you guys' advice so far, it may seem as if I am not listening and just doing what I want to do regardless but i can assure you that's not the case. It's just me being a noob trying to do the impossible while having no idea what I am doing.

By all means go ahead and experiment away. I wouldn't call your plan very smart,
but TBH I haven't seen anyone do what you do either and I'm all about trial and
error and seeing what works and what doesn't for yourself. As long as I have made
you aware that you're potentially spending money that doesn't need to be spent
my conscience is clear (then again, somebody who has two 7990 is probably
not too worried about money I would guess ).

I must admit I have been curious about how much radiator surface you really need
for what kind of setup myself, but I can't afford to just buy stuff for fooling around with
at the moment.

If you do go ahead with this, I'd certainly be interested in results.

 

[lol]

<snip>

Sweet, odd how the specs are listed wrong on amazon them. I just clicked the first thing that popped up in google and expected amazon to know their shit.

Also experimenting is exactly it, worst case scenario it runs too hot and I will have to recycle the radiator of the H220. I don't think money should be a concern at all with watercooling, 99% of the time it will be cheaper price/performance wise to just go with air cooling.

The reason why I bought a 7990 is actually because it was the best choice price/performance wise. I got it for 450 euro a couple of days before the 280X and 290X were going to be announced because all the retailers were panicking trying to sell their stock. As it turns out all for nothing because atm the cheapest you can get a 7990 is 690 euros over here

As I knew I was going to go for a major upgrade next year with haswell-e and was probably going for watercooling at the same time I figured I might as well buy another 7990 then to "double" performance since they will probably be a bargain. Also not too worried about running a quadfire setup because the core on the 7990 is also used in the 7970 and the 280X so seeing how a lot of people will be running this core for quite a while I think AMD will put quite some effort into driver optimizations for this one.


Also another thing that just popped into my mind, something that always confused me about tube reservoirs. So usually people have their pump on the bottom and then their tube res on top. http://www.frozencpu.com/products/1...ex_Pro_25_LT_-_250mm.html?tl=g30c97s165#blank

On that reservoir there is 3 ports on the bottom and 1 on the top. Why is that, normally you'd assume you'd only need one on the bottom for the pump and multiple on top for filling etc.

Also how do those tubes/pipes that go into the reservoir work? Like sometimes you see people use them in the top to prevent air being sucked into the pump because of the water splashing down. Can you just put on of those on the top from the inside and still have enough room on that thread for a fitting?

Just want to make sure since I am a watercooling noob and all :blush:

 

[lol]

Also since we are doing noob questions anyways here is another one.

http://www.frozencpu.com/products/1...tic_Elastomer_Tubing.html?tl=g30c99s170#blank

That's the tubing I am planning on using, how is this different from normal clear tubing? Will it still work with bitspower compression fittings assuming they are the same ID/OD?

I got it mainly because I don't like clear tubing and wanted to do something different, however it also seems to have the added value of being rated for quite high operating temps. Is there any downsides or things to be aware of when using this tubing?

 

[alpenwasser]

Also another thing that just popped into my mind, something that always confused me about tube reservoirs. So usually people have their pump on the bottom and then their tube res on top. http://www.frozencpu.com/products/1...ex_Pro_25_LT_-_250mm.html?tl=g30c97s165#blank

On that reservoir there is 3 ports on the bottom and 1 on the top. Why is that, normally you'd assume you'd only need one on the bottom for the pump and multiple on top for filling etc.

Also how do those tubes/pipes that go into the reservoir work? Like sometimes you see people use them in the top to prevent air being sucked into the pump because of the water splashing down. Can you just put on of those on the top from the inside and still have enough room on that thread for a fitting?

Just want to make sure since I am a watercooling noob and all :blush:

The multiple ports are so that you have multiple options for where you want to
connect your loop. The ones you don't need for W/C you can use for LED modules
or temp sensors and such.

Those tubes can serve several purposes. When they come from the top down into
the liquid (water comes into the res through them) they calm down the water and
prevent splattering (and hence air bubbles). When they are put on the outlet
(from the bottom up) they guarantee a certain minimum water level within the
reservoir, for example.

Also since we are doing noob questions anyways here is another one.

http://www.frozencpu.com/products/1...tic_Elastomer_Tubing.html?tl=g30c99s170#blank

That's the tubing I am planning on using, how is this different from normal clear tubing? Will it still work with bitspower compression fittings assuming they are the same ID/OD?

It is better than normal tubing (at least IMO). And it will work fine with the same
fittings as normal tubing.

I got it mainly because I don't like clear tubing and wanted to do something different, however it also seems to have the added value of being rated for quite high operating temps. Is there any downsides or things to be aware of when using this tubing?

I have been told by somebody who's using it that it kinks a bit more easily than
normal PVC tubing of same ID/OD, but other than that it seems to be superb.

 

[lol]

<snip>

Thanks for clearing that up, I don't think kinking will be an issue for me since I am planning to use angled fittings.

I also did some sound testing with my 7990 today, the fans won't go higher than 42% normally which is 42-50 dB depending on the review (and how they test the noise levels) but with the case panel off and the fans at 42% I stopped noticing the fans pretty fans and that was without the sidepanel on. With the sidepanel on they didn't distract me once while I was playing skyrim without my in-ears.

So I the 3000 RPM GTs have green lights on my end

Going to look into some of the other stuff I am going to need for my build.
Expect my glorious noobish questions!

 

[lol]

inb4threadnecromancy

So as it turns out R9 295X2 with a single thin radiator will run but be warm.
wondering what the temps will be like in the overkill3d video with 2 of those in there.

So with that said as mentioned in the video a 7990 will run "cool" compared to a 295X2, starting to think two 7990s and CPU with 480mm thick radiator and good fans with no overclocking will work out better then expected.

Thoughts?

 

[Kushiro]

Just a thought you could also chuck a few 120/140 rads in there to help out, that is of course you manage to fit the 480 in there first.

 

[KTM_RULZ]

inb4threadnecromancy

So as it turns out R9 295X2 with a single thin radiator will run but be warm.

Thoughts?

Well its not a single thin radiator. It also has a fan blowing on a heat sink on the card itself.

 

[lol]

Well its not a single thin radiator. It also has a fan blowing on a heat sink on the card itself.

That is true much like the ares 2 the VRM is still air cooled but both GPUs are cooled just by the water.

I wonder how much heat the VRM on the GPU creates since the VRM on a mobo is generally passively cooled.

 

[lol]

Just a thought you could also chuck a few 120/140 rads in there to help out, that is of course you manage to fit the 480 in there first.

I could but the reason why I am trying a 480 in the front is to keep the loop simple. If I was going to do a radiator in the top I'd settle for a 420 or maybe even just a thick 240 in the front.

I imagine a radiator in the top will get air trapped in it more easily and currently the top fan holes are covered up with fractal's moduvent things or whatever they are called meaning if I put a rad there dust will get in while the PC is off.

I hope the new noctua industrial fans are tested with the 2 295X2s to see how much of a difference they make, they make them in 3K and 2K versions so maybe two 7990s is doable but on the warm side with the 2k fans while not being too loud as the 2k ones would be.

edit: according to noctua the 3k ones are 43DB while the 2k ones are 30DB so 4 2k fans would be about as loud DB wise as a single 3k fan.