Antminer S21 PRO 234T | Most Powerful Air Cooled Bitcoin Miner


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Antminer S21 Pro (234Th) from Bitmain is the ultimate mining machine in the air-cooled segment for Bitcoin mining. Engineered for the SHA-256 algorithm, mining Bitcoin, Bitcoin Cash etc. It achieves an astounding maximum hashrate of 234Th/s while maintaining a power consumption of 3510W. Ideal for efficient and high-performance cryptocurrency mining, this cutting-edge miner is perfect for serious miners seeking top-tier results.


ModelAntminer S21 Pro (234Th)
ReleaseJuly 2024
Size400 x 195 x 290mm
Noise level75db
Temperature5 – 45 °C
Humidity5 – 95 %
ModelAntminer S21 Pro
Algorithm | CryptocurrencySHA256 | BTC/BCH
Hashrate, TH/s234
Power on wall @25°C, Watt3510
Power efficiency on wall @25°C, J/TH15
Power supply 
Power supply AC input voltage, Volt(1-1)220~277
Power supply AC input frequency range, Hz50~60
Power supply AC input current, Amp(1-2)20(1-3)
Adapted AC output power requirement, W(2-3)4000
Hardware Configuration 
Network connection modeRJ45 Ethernet 10/100M
Miner size (length*width*height, w/o package),mm(2-1)450*219*293
Miner size (length*width*height, with package),mm680*390*450
Net weight, kg(2-2)20
Gross weight, kg(2-2)22
Environment requirements 
Operation temperature,°C-20~45
Storage temperature,°C-20~70
Operation humidity(non-condensing) , RH10%~90%
Operation altitude, m(3-1)≤2000