Materials Used in PCIe5 and DDR5 Motherboards: Beyond FR-4 - Rogers or Other?

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#1 20375331 08 Jan 2023 21:27

Densi_Ultram_332 Densi_Ultram_332

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20375331 08 Jan 2023 21:27

As I understand it, new motherboards that feature PCIe5 and DDR5 are more expensive due to new materials and tighter tolerances that are required for higher speed and PAM4 signaling. So I wonder what is used instead of traditional FR-4 ?
Is it Rogers or something else ?
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