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Copper
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this post was submitted on 03 Mar 2026
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If that block is roughly 4.5cm x 4.5cm x 25cm then the volume of it is about 500cm³ which translates to 4.5kg of copper. At 11€/kg that makes about 50 euros.
Cheaper than some noctua coolers.
If this were in an enclosure, would it cause the PCB to bow over time?