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jabl
on Jan 12, 2022
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PCI-Sig Releases 256GBps PCIe 6.0 X16 Spec
Yes, "modern" ethernet uses 56 Gb/s (and soon 112 Gb/s) serdes channels with PAM4 modulation.
Similarly HDR Infiniband also switched to PAM4.
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Similarly HDR Infiniband also switched to PAM4.