Hut8 & Bitmain to Launch of Next-Gen ASIC Miner U3S21EXPH Hut 8 Corp. expanded its partnership with Bitmain Technologies with the launch of a next-generation ASIC miner U3S21EXPH, reportedly capable of reaching up to 860 TH/s with an efficiency of 13 J/TH. https://www.nobsbitcoin.com/hut8-bitmain-to-launch-of-next-gen-asic-miner-u3s21exph/