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URL: https://www.phoronix.com/news/PCI-Express-8.0-Announcement

⇱ PCI Express 8.0 Aims For 256 GT/s In 2028 - Phoronix

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PCI Express 8.0 Aims For 256 GT/s In 2028

Written by Michael Larabel in Standards on 5 August 2025 at 05:01 PM EDT. 51 Comments
The PCI-SIG announced today the PCI Express 8.0 specification due out in 2028 will double the data of the PCI Express 7.0 specification, taking it to 256 GT/s.

PCI Express 8.0 is tracking to be published in 2028 and will top out at 256 GT/s for its raw bit rate and up to 1 TB/s bi-directionally in an x16 configuration. PCIe 8.0 is also evaluating new connector technology while still PCIe 8.0 will maintain backwards compatibility with prior PCI Express generations. New techniques continue to be worked on for reducing power consumption for PCI Express.

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More early details around PCI Express 8.0 can be found via the PCI-SIG press release.

Michael Larabel is the principal author of Phoronix.com and founded the site in 2004 with a focus on enriching the Linux hardware experience. Michael has written more than 20,000 articles covering the state of Linux hardware support, Linux performance, graphics drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated benchmarking software. He can be followed via Twitter, LinkedIn, or contacted via MichaelLarabel.com.