Everyone saw the GPU dump coming, as the Ethereum hard fork plan was set into motion two years ago, but Chinese cryptominers are forced to dump their GPUs earlier, since the local government is cracking down hard on any cryptomining activities. The RTX 3060 cards make for a particularly good deal now at around $270, but anyone interested in bulk deals for all Nvidia as well as AMD GPU models can easily find bargains on sites like Taobao, Bangood, Alibaba or AliExpress.
https://www.notebookcheck.net/Chinese-cryptominers-are-dumping-all-GPUs-before-the-Ethereum-hard-fork-Nvidia-RTX-3060-cards-for-as-low-as-270.549936.0.html