Quote from: fmz89 on December 31, 2023, 01:42:00 PM

yes might be liquid inside copper pipe leaked, but i dont think cause to much for rx 470 card which is low power gpu, might be some bent in mounting and die not connecting evenly in heatsink
this happen on many vegas gpu. trying to replace with new heatsink to costly for gpu already fall in price

In my case it was a RX580, but same series basically.

I did notice on this particular model (MSI Armor) that when you take the heat sink off the GPU, on the backside there is a small copper tube inset in the block with the two aluminum tubes connected one each end. I wonder if this is why this particular brand/model leaks more. I have other similar GPUs from that era that have a similar design that use solid aluminum throughout with the piping (tubes) all being one piece instead of two.

Anyway, I assume that what ever fluid they use inside these tubes, or heat pipes, boiled away over time and now they are just empty tubes of air acting more like an insulator than a conductor of heat. All that is left is the direct metal contact of the remaining portion of the heat sink which will transfer some but not all of the heat away.

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