A new leak suggests that Nvidia could launch a 6GB variant of the GeForce RTX 3060 graphics cards soon. The Palit-branded graphics card showed up on the South Korean National Radio Research Agency website alongside other SKUs. However, Nvidia is yet to officially acknowledge the existence of such a GeForce RTX 3060 variant.
https://www.notebookcheck.net/Nvidia-GeForce-RTX-3060-variant-with-6GB-VRAM-reportedly-in-the-works.524012.0.html