Antminer S9 is a powerful bitcoin miner, yet smaller than many portable boom-boxes. 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 chip in the consumer market. Each Antminer S9 employs 189 such chips to deliver more hashrate and efficiency than any bitcoin miner ever made.