Talk:PCI Express/Archive 2019
Latest comment: 5 years ago by Zac67 in topic PCIe 6.0
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Hardware protocol summary -> Add an infographic showing the layers
This would make it easier to know the layers on first sight and will act as a visual guide through the "long" text. Divof (talk) 20:00, 7 April 2019 (UTC)
PCIe 6.0
double the data rate to 64 GT/s, yielding 128 GB/s in each direction in a 16 lane configuration [...] uses 4-level pulse-amplitude modulation (PAM-4) — doubling the signaling rate and using PAM-4 for two bits per transfer would actually quadruple the effective throughput, not just double it (unless FEC eats up 50% bandwidth). I strongly suspect that the physical signaling rate is going to stay at 32 GT/s while PAM-4 provides the throughput increase for 6.0. --Zac67 (talk) 12:03, 26 August 2019 (UTC)