asicBitmain
Antminer S21 Pro
Post-halving flagship at 15 J/TH
Hashrate
234 TH/s
Power
3510W
Efficiency
15 J/TH
MSRP
$4,800
The S21 Pro delivers 234 TH/s at just 15 J/TH — among the most efficient air-cooled miners ever shipped. It became the default choice for new farm builds after the fourth halving cut rewards to 3.125 BTC.