Give Your Processor and Nearby Components a Blast of Coolness with the Phanteks Glacier One 420 D30 X2 AIO, Featuring an Integrated Pump Fan for VR...

I'd love to see if the pump fan design under load increases or decreases temp on your VRM's/RAM.
 
I'd love to see if the pump fan design under load increases or decreases temp on your VRM's/RAM.
I mean if it's simply a cone to redirect air I imagine it'll be ok. but if it has an integrated fin stack then you're potentially blowing warmed air above ambient over your VRM and ram... if any real heat transfer can even take place. That also puts the orientation of the pump into a specific requirement unless there are covers for where you don't want air blowing. No need to blow it at my NVME/Video card as an example. (Though if it is cooler might be nice to have it hit your NVME Heatsink.
 
Yeah, I could see both sides of that. I'm not sure if we'll have a review for it, @David_Schroth is looking into it, but I aim to look around for them as I am really curious and see good potential here with my latest build that will eventually go into my Lian Li mATX case. I know he's reviewed a couple of different others with pump fans:


and another that for the life of me I just can't re-find again that had a fan on the pump that could be angled as needed. That one was really neat but just not seeing it right now.
 
The Arctic Liquid Freezer 3 series have a fan near the waterblock/pump to blow air over the nearby VRMs, but so far I haven't seen anyone say if they actually make any difference. I have the 360mm version of this cooler myself, and I forget the VRM fan even exists. I can barely feel any air blowing from it when I stick my hand down there. Afraid to increase its rpm cuz that such a small fan might make a lot of noise.
 
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