Central Computer is a good source in my experience: https://www.centralcomputer.com/all-products/ai-components/ai-gpus.html?p=1&product_list_limit=60&product_li

Central Computer is a good source in my experience: https://www.centralcomputer.com/all-products/ai-components/ai-gpus.html?p=1&product_list_limit=60&product_list_order=high_to_low https://www.centralcomputer.com/all-products/ai-components/a... No affiliation, I've just ordered from them a few times.