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PCIe 8.0 Announced With 256 GT/s For AI Workloads

Summary by slashdot.org
BrianFagioli shares a report from NERDS.xyz: PCI-SIG says PCI Express 8.0 will hit a raw bit rate of 256.0 GT/s, doubling what PCIe 7.0 offers. The spec is expected to be ready by 2028, and the goal is to support massive data loads from AI, machine learning, edge computing, and even quantum systems....
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PCIe 5.0 is barely being rolled out, and a three-generation newer version is being created. • The faster interface won't arrive for three years at the earliest, and it will be in home PCs much later. • PCI Express will maintain backward compatibility, but there is also talk of a new slot.

The next generation of PCIe should maintain its update cadence. 512 GByte/s are then possible via 16 conductor paths.

·Germany
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Heise broke the news in Germany on Wednesday, August 6, 2025.
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