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Thread: SLI + CPU Watercooling

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    SLI + CPU Watercooling

    Hi, i have an Asetek WaterChill Antarctica KT12A-L30 CPU/VGA/Chipset DUAL
    RAD POWER KIT ! 10mm (03-L-5115), im just wondering if you know if that will be powerful enough to watercool 2 7800GTX 512's in SLI and an FX-55? It has a Black Ice Pro DUAL Radiator and a 1200 l/hr Hydor Pump

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    Lovely chap dangel's Avatar
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    Yes it will cool it enough to run, but i'm not sure if your temps will be as nice as you want (if the FX is overclocked etc).
    I've the same setup cooling a 3800X2, 7800gtx and chipset and i'd like a bit more thermal control in my system (i'm looking at either adding another rad (or going for a triple rad, not sure) or upping my flow with a better pump/another pump inline). At peak my CPU hits 43C (but this may be down to me need to remove the thermal packaging and my GPU 35C.
    System 001: Maximus VII Formula, 4790k i7, RTX 2080ti FE (incoming), 16GIG Corsair Vengence DDR3 RAM CL9, Corsair HX1000, ROG SWIFT PG278Q , SSDs, Antec 1200 case, All watercooled. [main]
    System 002: A8 3850 APU, ASUS uATX FM1A75 MB, 4GB Corsair Vengeance DDR3, Corsair psu, OCZ Agility 3, 1TB F3, Dell 2001FP 20" LCD, £7's worth of 5.1 speakers (they rock) Windows 7 x64[wife/server]
    System 003: AsRock MB, APU, 8 GIG Corsair, Silverstone HTPC case, stock cooler, GT220 1gbDDR3, WD Green 3TB, Kingston 40gb SSD, MCE Remote, Panasonic 50" LCD (87BDX) via HDMI Windows 8.1.1 (32) [media centre]
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    Well i'll be running the system pretty much stock, what i want is a FAST but practically SILENT system, lol, how could i improve the temperatures then? would another single rad make much difference? the watercooling setup is gonna get complicated, lol, and its my first water cooling project... lol

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    Lovely chap dangel's Avatar
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    Will another rad make a difference? Perhaps. I'm not sure - as although you up the cooling capacity you might have a negative impact on water flow (which is just as important). I'm still umming and ahhing about it to be honest with you - i could easily add another dual rad as my water system is housed outside the main pc case. I think i'd be more tempted to try and sell my dual radiator and buy a triple radiator to replace it - less pipework and probably(!) less impact on flowrate. Remember my cpu is overclocked and dual core so it will produce a fair amount of heat. Perhaps it's a reasonable indication of how a sli system might perform on this setup?
    The only way to do it is to build it and find out really If you want more cooling later on it's easy enough to swap out a radiator, add a pump etc..
    System 001: Maximus VII Formula, 4790k i7, RTX 2080ti FE (incoming), 16GIG Corsair Vengence DDR3 RAM CL9, Corsair HX1000, ROG SWIFT PG278Q , SSDs, Antec 1200 case, All watercooled. [main]
    System 002: A8 3850 APU, ASUS uATX FM1A75 MB, 4GB Corsair Vengeance DDR3, Corsair psu, OCZ Agility 3, 1TB F3, Dell 2001FP 20" LCD, £7's worth of 5.1 speakers (they rock) Windows 7 x64[wife/server]
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    System 006: Dell Optiplex 9010, i7, 8gb, 128gb Samsung 830 x 2 (boot and VM drive), 1TB WD HDD, ATI something, Windows 8.1.1 x64 RTM [work]


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    my case is setup for a dual rad on the door (i have a Tt Tai Chi), so it makes most sense to use it, lol.

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    • Butcher's system
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    Get a better pump. Most radiators are massively overspecced for the job, so upgrading is going to give minimal increases.

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    Lovely chap dangel's Avatar
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    Quote Originally Posted by Butcher
    Get a better pump. Most radiators are massively overspecced for the job, so upgrading is going to give minimal increases.
    Suggestions for a 10mm setup?
    System 001: Maximus VII Formula, 4790k i7, RTX 2080ti FE (incoming), 16GIG Corsair Vengence DDR3 RAM CL9, Corsair HX1000, ROG SWIFT PG278Q , SSDs, Antec 1200 case, All watercooled. [main]
    System 002: A8 3850 APU, ASUS uATX FM1A75 MB, 4GB Corsair Vengeance DDR3, Corsair psu, OCZ Agility 3, 1TB F3, Dell 2001FP 20" LCD, £7's worth of 5.1 speakers (they rock) Windows 7 x64[wife/server]
    System 003: AsRock MB, APU, 8 GIG Corsair, Silverstone HTPC case, stock cooler, GT220 1gbDDR3, WD Green 3TB, Kingston 40gb SSD, MCE Remote, Panasonic 50" LCD (87BDX) via HDMI Windows 8.1.1 (32) [media centre]
    System 004: Asus UL50AT Intel Core 2 Duo,4GB, Intel Gen 2 80GB SSD, Win 8.1.1 x64 [no justification]
    System 005: HP Proliant N40L Microserver, 4x2TB drives, fan mod, Pico PSU mod, Win7 x86 [file server]
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    Quote Originally Posted by dangel
    Suggestions for a 10mm setup?
    Seconded, lol, i thought the Hydor was supposed to be a decent pump? its rated at 1200 l/hr, and in terms of pumps this is what i was told by the guy i buy my Innovatech stuff from...

    The higher the flow rate thru the waterblock, the more heat is
    removed. But the slower the flow rate thru the radiator, the more
    heat is rejected. So it is a trade off.

    Systems can still take up to 2 litres flow per minute. Don't forget
    that pumps quote the 'open circuit' flow rate - that is with no
    resistance. With the actual circuit, flow is reduced due to the back
    pressure. If the pump is too powerful, it can't pump adequately and
    it will overheat and burn out the motor. Excessive sized pumps is one
    of the myths of water cooling.

    Our 12 volt pump has three jumpable settings, 'quiet', default and
    'overclock'. It actually adjusts itself to the required flow
    conditions. Clever eh!

    Although I've never used a Hydor, it is quite popular, so it should
    do the biz.

    Paul


    The pumps they have are eheim i think
    Last edited by DragonStar; 09-12-2005 at 10:37 AM.

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    • Butcher's system
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    Quote Originally Posted by DragonStar
    Seconded, lol, i thought the Hydor was supposed to be a decent pump? its rated at 1200 l/hr, and in terms of pumps this is what i was told by the guy i buy my Innovatech stuff from...

    The higher the flow rate thru the waterblock, the more heat is
    removed. But the slower the flow rate thru the radiator, the more
    heat is rejected. So it is a trade off.
    Wrong!
    Higher flow helps both raditor and waterblock.

    Quote Originally Posted by DragonStar
    Systems can still take up to 2 litres flow per minute. Don't forget
    that pumps quote the 'open circuit' flow rate - that is with no
    resistance. With the actual circuit, flow is reduced due to the back
    pressure. If the pump is too powerful, it can't pump adequately and
    it will overheat and burn out the motor. Excessive sized pumps is one
    of the myths of water cooling.
    Wrong!
    You won't be able to burn out a pump used in watercooling unless you run it dry. The normal open impellor designs used allow for highly restricted pumping and bits of junk floating through.

    He's right about quote flow being open circuit though. What you need to look at is the maxcimum head on the pump, that's a far more useful measure.

    NB: Getting the biggest pump you can isn't always an advantage, you have to trade off between increased flow from the larger pump, and increased heat dumped into the water by said pump.

    Quote Originally Posted by DragonStar
    Although I've never used a Hydor, it is quite popular, so it should
    do the biz.

    Paul


    The pumps they have are eheim i think
    Hydors are solid enough little pumps, they do the job. Eheims are also good - mainly rated for their quiet running and high reliability rather than extreme performance.


    Here's a very useful thread about watercooling myths BTW, it explains why you don't want slow water and such: http://forums.procooling.com/vbb/showthread.php?t=10301

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    Thanks Butcher... but where was the suggestion for a 10mm setup?? lol

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