NVIDIA’s GeForce RTX 3060 was the first Ampere graphics card to introduced a cryptocurrency limiter. In early testing, the limiter gradually reduced the hash rate of the GPU arm around 41 MH/s to 26 MH/s or lower, in the hopes of making them less attractive to Ethereum miners. However, enthusiasts quickly found multiple workarounds to defeat

Source: Hot Hardware – NVIDIA GeForce RTX 3060 LHR Ethereum Mining Performance And New Limiter Revealed