Model Antminer S9i (14Th) from Bitmain mining SHA-256
with a maximum hashrate of 14Th/s for a power consumption of 1320W. Bitmain’s BM1387 chip is built using TSMC’s 16nm FinFET
technology and, delivering a record-breaking 0.098 J/GHs, is the world’s
most efficient bitcoin mining c..