2nd (or 3rd) GPU, do I need water blocks?

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eco_bach

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Oct 18, 2015
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Hi
I’m currently running a single Titan XP(2016) without water cooling and considering adding either a 2nd GTX 1080 ti or 2 1070's. I don't need SLI, this is for GPU rendering only.
Currently with the Titan XP if I boost fan speed can stay at or below 70C but without hit the high 80s.

So my general question about GPU cooling is, if you can keep temps in the mid 70's or below with fan alone, is there any reason or advantage to investing in water blocks (other than reduced fan noise)?

My custom PC is less than a year old(see pics) and have had a bad experience with just the water cooler to my CPU so am reluctant to to invest the time, $ for full water blocks if I don't need them!
http://imgur.com/a/B9wvo
 
Solution
n0ns3ns3
if and when you add a card, the temperature of existing GPU will rise.
beside noise, the advantage is kipping GPU from thermal throttling.
For practical approach, I'd suggest to start with just adding a card or two on air and see how it behaves. If you are unhappy (noise, temperature) you can add the liquid cooling. The path, would be adding it to your existing loop (you can even order pre filled blocks from EK). though i'd suggest up to 2 cards for the 320 rad. and move the rad to the front as intake. if you want triple card setup, you will probably need an additional pump and additional radiator.
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n0ns3ns3

n0ns3ns3

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May 25, 2016
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if and when you add a card, the temperature of existing GPU will rise.
beside noise, the advantage is kipping GPU from thermal throttling.
For practical approach, I'd suggest to start with just adding a card or two on air and see how it behaves. If you are unhappy (noise, temperature) you can add the liquid cooling. The path, would be adding it to your existing loop (you can even order pre filled blocks from EK). though i'd suggest up to 2 cards for the 320 rad. and move the rad to the front as intake. if you want triple card setup, you will probably need an additional pump and additional radiator.
 
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