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Inphi announces samples of its latest Polaris PAM-4 DSP for inside the data center which. This is the PAM-4 engine that powers optical modules such as 200G QSFP28s and 400G CFP8s running FR8 signaling. The chip also integrates both single and multi-mode laser drivers, further reducing cost.

“Cloud operators are looking for every possible edge to reduce the cost of short reach optical connectivity. Inphi and its Polaris platform play a critical role in cutting the cost of 100G and making 400G an economically viable technology,” said Andrew Schmitt, founder and lead analyst at Cignal AI.