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80mm Radiator questions

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DarkBahamut

Gawd
Joined
Mar 18, 2005
Messages
551
Im loking at going water cooling withint the next couple of month, and being a new to it i have a few questions.

Firstly, are 80mm rads any good? I know the 120mm ones are better and more ideal, but my case isnt that big, and i wouldnt have room to even mod it to make a 120mm fit. I have dual 80mm intakes though, so i was thinking about maybe getting something like a black ice micro II (dual 80mm rad). I'd be using it to cool my A64 3500+ (newcastle) and X800 XT PE for now and to do some decent oc'ing on them. WIll the BIM II be able to cool them to any decent temp, or isnt an 80mm rad good enough for this? Also, will it be ok pushing air though the rad? (as ive heard pulling is better)

I was going to get something like a koolance exos al (due to said space limitations), but having heard alot of reports that the GPU block on them isnt very good, i'd figured i'd see if i can get a decent DIY setup. If this rad will be ok, what sort of cpu/gpu blocks and pumps and such should i get (looking for the most performance)? Ill have about $300 to spend in total.

Thanks for any advice :)
 
Exos-al will be a much simpler solution for a smaller case. :D
It also solves that sometimes complicated cool air to the radiator problem, and that not much room for my res & pump problem.

I believe the HardOCP guys used an exos to bench the BFG6800Uoc WC card with great results.
 
If you do not mind mounting your radiator to the outside of the box, take a look at the Swiftech RadBox.
 
1quicksi said:
If you do not mind mounting your radiator to the outside of the box, take a look at the Swiftech RadBox.
Click to expand...

Something like that looks good, but would it really help much? It seems to be designed for a BIP I, which has a lower heat rating than the BIM II does. Plus, that mounts on the rear outtake, i wouldnt have thought blowing the hot air out your pc onto your rad would really help water temps any? It would be lower in noise i guess, but im after performance really.

I do have enough room in my case for the rad and pump i think (just), but i wouldnt have any room for a res, i was thinking about maybe putting a res outside the case, or would this be a bad idea?
 
I do not have an exhaust fan in the rear. I have to 80mm fans in the front sucking in and a 80mm blow hole pushing out. My PSU also has 2 80mm fans one sucking and one pushing.

The concept of the RadBox is to place the radiator in an environment that typicaly is much cooler. External ambiant tempretures are typicaly lower then inside your case thus your cooling more effective.
 
1quicksi said:
The concept of the RadBox is to place the radiator in an environment that typicaly is much cooler. External ambiant tempretures are typicaly lower then inside your case thus your cooling more effective.
Click to expand...

I can see how that would help, but my worry with it is that you are basicly having to pull warm air from inside the case them push that over your rad, even though the rad is outside the case. What i was planning with that BIM II was mounting in the case, but it will be in the coolest part of the case and will be having cool air from outside the case blown right across it, wouldnt this provide better cooling performance? My case temps tend to be low anyway, only alittle above ambient temps. Right now my case temp is only 22C, and thats with my CPU at full load.
 
The RadBox is basicaly a stand off. It moves the radiator and 120mm fan roughly 2 inches off the back of your case. Without a fan in the exaust position there is really very little heat being pushed out from there. You could always just block it off as well if you really were moving that much air through your case.
 
Kind of chopped but this will give you an idea of how it looks when all put together...

P1010103.JPG
 
Do you just cool your cpu with it, or the video card too? Is a BIP I good enough to cool both effectively?
 
Oh, any advcie on what blocks to use btw? I was looking at somthing like a DD TDX or RBX (which is better?) for the cpu, and im not sure about what gpu block. Is something like a Maze 4 block good, or is there something better (while being a reasonable price of course)?
 
I just read over your hardware.

you're going to require way more cooling than a single 12cm radiator.

I'd say 2x 12cm as a minimum.

I'm using a 2.120 heater core on the rig in my sig. ...it's barely cutting it.
I'm going to incorporate a 2nd 2.120 heater core into the loop.
TDX and NV-68 blocks from DDen in series.

peace.
 
wow..im using a swiftech single 80mm radiator on my overclocked athlon 64 2800+ (running at 2.4ghz) and im getting temps in the mid 30s (1.55 vcore)
 
Yeah, there certainly is alot of conflicting reports on it all.

BUt really, i dont see why a dual 80mm rad cant do well, the BIM II is speeced for 660 W, and an A64 @ 2.4GHz is only about 90W, and the X800 is only about 80W, really it should be capable of good temps, with a decent block and good pump i would have though, but maybe not?

On the pump front, im looking at 12v pumps (easier for me an a 110v pump, since im buying the stuff in the US, and i live in the UK for one :p). Anyone know what the DangerDen DD12V-DD4 pump is like? Its specs look pretty good, flow rates equal to that of good 110v pumps, and its small, as long as it doesnt leak like crazy or something it could be ideal for what im after, unless theres some reason i shouldnt use a 12v pump?
 
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