How much wattage do I need for 3-way SLI and water cooling?

-Silence- · May 4, 2014

So I am getting a new PC soon, and what I am going for is a build that will last me the next 7-8 years (hopefully). Although I am not water cooling when I get this PC, I probably will later down the line and I want to be prepared for that when I do, i.e I don't want to buy anything but water cooling parts (no other upgrades). My build can be found here: http://au.pcpartpicker.com/p/3CpHn. (please note that the only thing subject to change is the PSU.) I was wondering if I would need a bigger power supply, according to PCPartPicker my estimated wattage for my system alone is 1000w. Because I am new to the world of full system water cooling I have no idea how much power I would need for a loop to cool my 3-way SLI and my CPU. I know the Corsair AX1500i is coming out soon so I don't mind waiting for that if I need to. I imagine that water cooling doesn't take that much wattage but I'd prefer not to have my PSU constantly at full load. Also because I really have no idea about water cooling parts, I need someone to help me put together a list of good parts or a kit to get when I do decide to take the plunge.

InvalidError · May 4, 2014

Normal fans take 2-5W, high-power fans take 5-7W. Water pumps vary wildly depending on how many you plan to use, how much flow each has to provide and how much head loss (pressure) each loop. Small pumps use 10-15W and you might use 2-4 of these depending on how much space you can spare for pumps and radiators while single-loop systems may use a pump drawing over 50W.

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How much wattage do I need for 3-way SLI and water cooling?

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