PCI Express 8.0 will have 1 TB/s of bandwidth

winjer

Member

PCI-SIG® today announced the PCI Express® (PCIe®) 8.0 specification will double the data of the PCIe 7.0 specification to 256.0 GT/s and is planned for release to members by 2028.
PCI-SIG technical workgroups will be developing the PCIe 8.0 specification with the following feature objectives:

  • Delivering 256.0 GT/s raw bit rate and up to 1 TB/s bi-directionally via x16 configuration
  • Reviewing new connector technology
  • Confirming latency and FEC targets will be achieved
  • Ensuring reliability targets are met
  • Maintaining backwards compatibility with previous generations of PCIe technology
  • Developing protocol enhancements to improve bandwidth
  • Continuing to emphasize techniques to reduce power

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Maybe one 1TB of bandwidth, bidirectional, will help with all those stutters from asset streaming in UE5.
 
And new GPU's are shipping with only 8X lane PCIe connectors. I want a GPU with a M.2 slot taking advantage of it's built in heatsinks, and extra lanes. :(
 
2028 will be the perfect time to get a second mortgage for the RTX8090.
 
2028 is for the release of the spec to partners.
Then the partners have to make the chips and software.
And eventually it will be integrated into consumer products.
Not even in early 3035 will we see this Gen8.
We are currently at PCIe Gen5. By 2028 we will have Zen7 and AM6, and with it PCIe Gen6.
 
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