Nice, let the thermal benchmark begin !!! (sorry restart as it has been discussed before 
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One word to describe it, ābottleneckā
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I use all 4, i want to add better cooling to all, VIM2, VIM3L, EDGE-V and VIM3
Been there done that - got it published in electronics weekly as well https://www.electronicsweekly.com/news/cool-runnings-heat-dissipation-crypto-currency-miner-2018-01/
(Used odroid XU4s - ssshhhh donāt tell khadas 
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ssshhhhh mate, I bet you donāt want to tell that to Odroid that you used a Khadas VIM eitherā¦ 
I would want one of those in the winter, saves a ton on on home heating
Do you need the sizes of all four processors?
I believe you can get that data on the datasheet of the processerā¦
please give a link to the document, thanks, maybe he canāt find
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How much different are they?
If i were to buy 4 copper pads isnt there a size that would fit all 4 give or take a few mm eah way?
Well Edge is a biggg boy, 21x21 mm,
all others should be smaller than that, you can try to use a small ruler to check the size
they differ in size
oh yeah i forgot about the edge, how about jusy S912, S905 and S311D
need to watch, buddy
It looked pretty as well with all its twinkling lights in the oil! Super quiet as well. Is a good solution for cooling things quietly. Expensive to do for one or a small number of boards though, but cheap cooling at scale
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I use 20mm square heatsinks on my vim2 and vim3 - so that size probably works
Actually ignore that they are 14mm square https://uk.rs-online.com/mobile/p/heatsinks/6744740/
Cool, are you using copper pads?
I was gona start with the new VIM sink, then try the passive with a different fan
No, but a 14mm square copper shim should work
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Ionic Wind Cooling!
But my passive heatsink now keeps below 75Ā°C in all conditions 
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Isnāt the VIM3ās max temp limit 80Ā°C ?