PCI Express 6 Specification Announced, Quadruples The Bandwidth Of Upcoming PCIe 4 Devices

PCI Express 6.0 pushes the data rate to 64 GT/s, while still maintaining backwards compatibility with older devices. An x16 PCIe 4.0 graphics slot will offer up to 64GB of bandwidth to a GPU; when PCI Express 6.0 hits, that number jumps to a whopping 256GB/s.