PCIe has doubled bandwidth every generation for two decades, PCIe 8.0 is on track to do it again at 1TB/s

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Looking ahead: Development of the next generation of PCIe connector technology has reached a new milestone. The PCI Special Interest Group (PCI-SIG) has released an updated outline of its plans to continue the upgrade cadence it has maintained for two decades. Although PCIe 8.0 is not scheduled for completion before 2028, it could offer eight times the bandwidth of today's fastest motherboard components.

Manufacturers can now review the 0.5 draft specification for PCIe 8.0. The spec aims to increase bandwidth significantly while reducing power consumption.

PCIe is the technology that connects expansion cards installed on PC motherboards. The constant need for higher bandwidth became apparent when 3D accelerator cards (the predecessors to modern GPUs) became popular. NVMe SSDs also leverage PCIe to achieve higher transfer speeds than older SSDs and hard drives...

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