| Model | S21 Pro |
| Algorithm | Cryptocurrency | SHA256 | BTC/BCH |
| Hashrate, TH/s | 234 |
| Power on wall @25°C, Watt | 3510 |
| Power efficiency on wall @25°C, J/TH | 15 |
| Power supply | |
| Power supply AC input voltage, Volt(1-1) | 220~277 |
| Power supply AC input frequency range, Hz | 50~60 |
| Power supply AC input current, Amp(1-2) | 20(1-3) |
| Adapted AC output power requirement, W(2-3) | 4000 |
| Hardware Configuration | |
| Network connection mode | RJ45 Ethernet 10/100M |
| Miner size (length*width*height, w/o package),mm(2-1) | 450*219*293 |
| Miner size (length*width*height, with package),mm | 680*390*450 |
| Net weight, kg(2-2) | 20 |
| Gross weight, kg(2-2) | 22 |
| Noise@25℃(2-4)，dBA | 76 |
| Environment requirements | |
| Operation temperature,°C | -20~45 |
| Storage temperature,°C | -20~70 |
| Operation humidity(non-condensing) , RH | 10%~90% |
| Operation altitude, m(3-1) | ≤2000 |
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