Some enterprising modders have successfully transformed an NVIDIA GeForce RTX 3060 8GB into a model with 12GB of VRAM (review). Moreover, with the increased memory capacity, the memory bus width has been proportionately boosted. Thus, the modders have proven an upgrade with two beneficial effects, and in early benchmark testing the ‘new’ 12GB

Source: Hot Hardware – GeForce RTX 3060 8GB Modded To 12GB For A Huge Unigine Performance Boost