https://wccftech.com/nvidia-allegedly-sold-175-million-worth-ampere-geforce-rtx-30-gpus-to-miners/

NVIDIA's GeForce RTX 30 series graphics cards based on the Ampere GPU architecture launched last month and have been short in supply ever since. Reports coming in from financial analysts suggest that NVIDIA had sold a huge chunk of its gaming Ampere GPUs to miners which might indicate why there's an immense shortage and why we won't see a proper retail supply till 2021.

According to Financial Analysts at RBC Captial Markets and Barrons, it is estimated that NVIDIA has sold at least $175 Million worth of GeForce RTX 30 graphics cards utilizing its Ampere GPUs directly to miners. NVIDIA reported a very strong 37% year-on-year growth in its gaming segment during its Q3 FY21 earnings report.