Ampere GPUs may be back on track for a Q1 2020 release, according to current rumours. Previously slated to arrive in 2H 2020, the likes of the RTX 3070, RTX 3080 and RTX 3080 Ti could arrive as soon as March.
https://www.notebookcheck.net/NVIDIA-may-have-brought-forward-the-release-of-consumer-Ampere-GPUs.450135.0.html