ok so here is what i did and what i used:
raspberry pi 4 gig model running rsapian.
case: argon neo case with the icetower attached on the 2 attach points after the case is installed. plus 2 penies with the stock thermal pads between them and the ice tower and the case. so the stack goes:
pi, stock thermal pad from argon, argon neo case with the slide off top removed, thermal pad from ice tower, shiny penny, thermal pad from ice tower, shiny penny, thermal pad from ice tower, ice tower low profile cooling fan with the fan reversed from stock position so it pulls air up and away from the pi to eliminate heat (it comes stock with the fan blowing down on to the pi).
this is sofar the best cooling i have seen for the pi 4 whie using a case. i didnt even reach 56 celcius even once. topped at 55c only on one reading at 1500mhz next read after that was back at 54c. but as you can see it hung out at the 53c to 54c range for the most intense parts of the test.
not as good as just the bare ice tower and pi, but i need a case on mine so that it is properly protected. i may tr dremmeling the case so as to fit the ice tower directly to the pi at some later date.
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