asicBitmain
Antminer S4
Doubled hashrate in the 2014 scaling race
Hashrate
2 TH/s
Power
1380W
Efficiency
690 J/TH
MSRP
$1,400
The S4 delivered 2 TH/s in a rack-mount form factor built for warehouse deployment — signaling that Bitcoin mining was becoming an industrial operation, not a hobby.