Concerns about 5090 Reference block covering all components

L

liquidkewl

New member
There have been concerns in other forums that the 5090 Reference block does not cover everything it should and was wondering if I could get some clarity on the issue.

Specifically:

"I looked at the Alphacool block but it has a design flaw too : the 2 upper RAM mosfets and 1 chip at the bottom are not cooled by the waterblock. Only 4 RAM mosfets are watercooled instead of 6"


and:

"Does not cover the 2 mosfet at the leftmost and rightmost side near the terminal area. The new PNY block has the coverage, it seems to be same as reference but better/refined with full vrm coverage and additional 2 thermal pad for back bottom memory. When will Alphacool change this for reference?"

https://www.reddit.com/r/alphacool/comments/1kdrmn0/_/mqk4boy
I have no idea how to identify what is a mosfet or what is a voltage controller and just wanted to make sure so that when I my reference order finally arrives everything will be in order. Can't take any risks on a 3k€ GPU

Thanks a lot
 
Eddy

Eddy

Iceman
Staff member
There’s an incredible amount of nonsense being spread in forums and on social media. Just by rough estimation, if customers didn’t believe half the stuff that gets posted online, we could probably cut our RMA requests by 50%.

You can actually identify what components are and what they do just by looking at their markings. That information is publicly available online.

We receive detailed heatmaps that clearly define which components must be cooled, which can optionally be cooled, and which don’t require any cooling at all. The GPU, RAM chips, and VRMs are the only components that actually need to be actively cooled. Most of the other parts don’t require direct cooling.

And since PCBs in water-cooled setups don’t get nearly as hot as they do with air cooling, the layout and design of a water block can differ significantly from an air cooler. Air coolers tend to cover more components—not because those components need cooling, but to provide structural support for the massive heatsinks.

Long story short: it works, and all critical components are being properly cooled.
 
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