Industry Expert Blogs

2022 has seen major updates to two standards critical to the future evolution of the data center: PCI Express® (PCIe®) and Compute Express Link™ (CXL™). The two are interwoven, and in this blog, we’ll look at their relationship and the impact of latest developments.

Like many standards in the computing world, PCIe has proliferated far beyond its original remit. Over the past two decades, it has become not just the de facto standard for computing connectivity, it has also expanded into new applications, such as IoT, automotive, government, and many more. With its most recent update to PCIe 6.0, it is poised to take data center performance to the next level.

PCIe 6.0 boosts signaling rates to 64 gigatransfers per second (GT/s), twice that of PCIe 5.0. Initial designs incorporating PCIe 6.0 will be where bandwidth demands are most intense right now: in the heart of the data center. For bandwidth-hungry, data-intensive workloads, the extra bandwidth offered by PCIe 6.0 will certainly be a game changer!

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