Why Does PCI Express 5.0 Come So Shortly After PCI Express 4.0?

PCI Express 4.0 has been ratified less than 2 years ago, and Gen 5 is already approaching. Why so fast?

Rick Eads, member of the PCI-SIG board of directors, explains the motivation behind PCI Express 5.0 and the main drivers of the development in this little video.

Additionally, he provides details on the technical requirements and the expected timeline of the new standard.