PCI-SIG announces PCIe 8.0 spec with twice the bandwidth — 1TB/s of peak bandwidth, 256 GT/s per lane, and a possible new connector by ashilov@gmail.com (Anton Shilov) from Latest from Tom's Hardware on 2025-08-06 09:00 (#6Z4V2) PCI-SIG has officially begun developing PCIe 8.0, doubling bandwidth to 256 GT/s while tackling signal integrity limits over copper with protocol upgrades.