New Radeon RX 6600 XT is reportedly super-efficient at crypto mining - Neowin
Amazon.com: 8 GPU ETH Ethereum Best Efficient Mining Rig, Mining Machine System & Platform, Barebone Motherboard for BTC/ETH/ZEC with 4 Cooling Fans, Mining Frame Case with SSD, RAM (Without PSU/GPU) : Electronics
RX5700 one of the best Ethereum mining cards , 740 mh/s mining rig. – Mineshop
The Best GPU For Ethereum Mining - NVIDIA and AMD Tested - Legit Reviews
Best Ethereum Mining GPUs - A Benchmark And Optimization Guide [Updated] - Page 2 | HotHardware