CoinVoice recently learned that f2pool data shows that, based on the calculation of $0.06 per kWh, mining machines such as Shenma M30S++ (shutdown price of $57,513), Shenma M33S++ (shutdown price of $57,514), Avalon A1346 (shutdown price of $55,657), and Antminer S19 Pro (shutdown price of $54,813) are all close to the shutdown price. [Original link]