It may seem hard to believe, but storage makers are already approaching the limits of the PCI Express 4.0 bus in a typical NVMe drive, with the latest controller designs pushing transfer speeds in the neighborhood of 7 gigabytes per second (GB/s). That being the case, Silicon Motion is already at work developing controllers that leverage the

Source: Hot Hardware – Silicon Motion Preps PCIe 5.0 SSD Controllers For Blistering Next Gen Storage