Why copper still rules the motherboard trace

Hardware & Electronics(psyll.com)view on HackerNews
copperconductor materialPCIe 6.0DDR5signal integritythermal conductivityelectrical conductivityPCB designhigh-speed applications

Author: lucasfletcher

Date: 7/23/2026

Article Summary:
The article explores the advantages of using copper as a conductor material in modern electronics, particularly in high-speed applications such as PCIe 6.0 and DDR5, due to its superior electrical and thermal conductivity, low resistivity, and ability to maintain signal integrity.