Key Takeaways Reddit user sunrise2209 built copper RAM heatsinks in 45 minutes to avoid a $20 purchase. Isabelle Maurel highlighted short-circuit risks, prompting calls for insulating pads on 07/14/2026. DDR5 overclocking may benefit most, while stock RAM rarely needs extra cooling, commenters said. With RAM prices creeping up, one PC tinkerer took a hard look at the $20 add-on cooler market and headed for the scrap pile instead. In a Reddit post, user sunrise2209 showed off homemade copper heatsinks fashioned from recycled pipe, shaped into something that could pass for a sleek retail accessory after about 45 minutes of cutting …

