PCIe 7.0 to quadruple the bandwidth of PCIe 5.0, coming in 2025

The PCI-SIG Developers Conference 2022 (opens in new tab) is underway in California. The PCI-SIG group is responsible for development of PCIe specifications, and today it announced that the next (realistically next-next) generation PCIe 7.0 specification is set to be released in 2025.

PCIe doubles in data rate and bandwidth every generation. This means PCIe 7.0 can deliver a maximum data rate up to 128GT/s. If we ignore overhead, PCIe 7.0 delivers up to 512GB/s of bi-directional throughput for a x16 connection. This compares to 32GB/s for a PCIe 3.0 x16 connection, 64GB/s for PCIe 4.0 and 128GB/s for PCIe 5.0. It’s important to emphasise that these are bi-directional numbers.

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