Retimers and redrivers have enabled longer physical channels in servers and storage systems since Peripheral Component Interface Express (PCIe^®) 3.0 specification was first introduced almost 10 years ago.

At PCI-SIG, we take pride in ensuring that our specifications operate without a hitch. However, sometimes PCI Express developers need to submit Engineering Change Requests (ECRs) to update parts of the specification so that PCIe integrated products can reach their optimal functionality.