asicBitmain
Antminer S3
Bitmain's volume seller of the 2014 cycle
Hashrate
441 GH/s
Power
367W
Efficiency
832 J/GH
MSRP
$450
The S3 refined Bitmain's 28nm design to 441 GH/s at 367W. It was affordable enough for small farms to scale and helped Bitmain cement market share before the S5 and S7 generations.