asicBitmain
Antminer S15
7nm leap before the 2018 bear market bottom
Hashrate
28 TH/s
Power
1596W
Efficiency
57 J/TH
MSRP
$1,450
The S15 introduced 7nm chips to Bitmain's lineup at 28 TH/s and 57 J/TH — a major efficiency jump. It arrived just as Bitcoin crashed from $6,000 to $3,200, testing miner economics hard.