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Air temps on watercooling?

Joined
Feb 24, 2010
Messages
641
So I'm building a silent gaming rig and don't mind having air cooling temperatures on my graphics cards.

Is there anything to worry about this?
I'm going to overclock a 1 or 2 7970 and I'll try to keep the temperature under 80c, as the VRM and Core is under fullcover block the cards will have limited airflow as most of the heat goes through radiator.
 
Maybe someone can correct me if I'm wrong but I believe I've heard that having the water temps above 60c starts to put strain on the pump. With video cards running at 80c that water is going to get hot quick.

With all that said, if you get the proper amount of radiator surface for your setup I don't believe you would ever hit 80c on the video cards even at an extreme overclock. Unless something is seriously wrong with your loop. I would say the proper amount of radiator for you would be a 3x120 and a 2x120 for the CPU and 2 7970s. If you want more silence you can get larger or more radiators and get lower speed fans.

Your not going to get completely silent even with a WC setup though. Just wanted to point that out. It definitely sounds better than the jets taking off like stock air though. It sounds more like a low hum of a fridge. If you want full silent you would need to put the radiators and pump in another location.
 
If you get that Phobya 9x120 radiator, your cards won't even break 70 C with slow (essentially silent) speed fans, and will most likely not even break 60 C. With GPUs, the typical delta between the water temperature and the GPU temperature is ~30-40 C at full load, depending on the overclock. That means even if your GPU hits 80 C, the water temperature is most likely 50 C or less, so you don't need to worry about frying your pump.
 
If you get that Phobya 9x120 radiator, your cards won't even break 70 C with slow (essentially silent) speed fans, and will most likely not even break 60 C. With GPUs, the typical delta between the water temperature and the GPU temperature is ~30-40 C at full load, depending on the overclock. That means even if your GPU hits 80 C, the water temperature is most likely 50 C or less, so you don't need to worry about frying your pump.

I ended up with used Aquacomputer airplex XT 360 http://www.aquatuning.de/product_info.php/info/p3363_Aquacomputer-airplex-XT-360.html

And a used EK Water Blocks EK-CoolStream RAD XT 240
http://www.aquatuning.de/product_info.php/info/p8084_EK-Water-Blocks-EK-CoolStream-RAD-XT-240.html


So at most I will have one 360 in top and with removing harddrive cage and dremeling a 120 hole I can install a 240 EK rad in bottom.

My hope is to run all fans in case 500rpm, for radiators most likely I use Gentle Typhoon as slipstream are not good for horizontal rads.
 
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