Saturday January 19, 2019

PCIe 5.0 Is Ready for Prime Time

PCIe 4.0 is expected be a short-lived standard, as PCI-SIG, the organization behind the interface, is already close to releasing finalized specs for PCIe 5.0: the group announced it ratified Version 0.9 this week, leading the way to a final revision in Q1 2019 and potential products by the end of the year. While PCIe 4.0 granted 64GBps of throughput, PCIe 5.0 doubles that to 128GBps.

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PCIe 5.0 also brings other features, like electrical changes to improve signal integrity, backward-compatible CEM connectors for add-in cards, and backward compatibility with previous versions of PCIe. The PCI-SIG also designed the new standard to reduce latency and tolerate higher signal loss for long-reach applications.