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How much heat can an Aquacomputer Gigant 1680 passively dissipate?

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Scourge78
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2020/09/10 16:01:42 (permalink)
I know that heat-dissipation is highly dependent upon flow rate and the number of fans that are circulating air...but just as a passive cooler, any thoughts?
 
Right now I am toying with the idea of having it (along with 1 180mm fan on it) cool 2 2080TIs (or better), and an OCd Ryzen 3960x. This rad is probably massive overkill for that, but I cannot find any specific info on just where the base rad would start at heat dissipation.
 
Any help would be appreciated.
post edited by Scourge78 - 2020/09/11 07:55:12

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    Cool GTX
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    Re: How much heat can an Aquacomputer Gigant 1680 passively dissipate? 2020/09/11 13:28:05 (permalink)
    I'd ask the Mfg ... based on their statement they should know
     
    airplex GIGANT 1680, aluminum fins
     
    (excerpt)
     
    the airplex GIGANT series readiators are designed as stand-alone devices and offer a much higher cooling capacity. The airplex GIGANT series is perfectly suited for fanless (and threrefore noiseless) operation, installation of fans will unleash its immense cooling capacity.
     
     

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    Scourge78
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    Re: How much heat can an Aquacomputer Gigant 1680 passively dissipate? 2020/09/15 12:30:21 (permalink)
    Good call, Cool. 
     
    I checked the Aquacomputer forum, and while there is a dearth of 1680/3360 cooling capability info, I was able to find a maximum capacity for them: it seems that maximum cooling for a Gigant 1680 is ~3kW, and ~6kW for a 3360.
     
    I would suspect that a 1680 could passively cool, reasonably, ~500W, depending on external temps, which is pretty much the sum-TDP of any current-gen i9 (165W) and a 3090 (350W). Obviously, a 3360 would be better at passive dissipation...

    CPU -LGA2011-v3 i7-6850k
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    Monstieur
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    Re: How much heat can an Aquacomputer Gigant 1680 passively dissipate? 2020/09/25 20:44:50 (permalink)
    In my HydroX loop with 2x 360 mm and Noctua 3000 RPM fans, I found that running the XD5 pump at 100% reduces Prime95 temperatures by 3 C. Running the fans at 100% does nothing. The limitation seems to be the rate of flow over the fins, rather than the cooling capacity of the radiator.
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