➀ PCI-SIG finalized PCIe 7.0 spec with 128 GT/s per lane, doubling PCIe 6.0 speeds and enabling up to 512GB/s bidirectional bandwidth for data centers.
➁ PCIe 8.0 pathfinding began, targeting 1TB/s bidirectional bandwidth by 2030 through potential 256 GT/s per lane, though optical interconnects remain uncertain.
➂ PCIe 6.0 compliance tests delayed to 2025, while PCIe 7.0 devices are expected to launch between 2028–2029 after rigorous signal integrity challenges at 32 GHz frequencies.