Bitmain
Antminer S21 Immersion
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Antminer S21 Immersion is a high-performance bitcoin miner designed specifically for immersion cooling environments. This model achieves superior efficiency and thermal management, ensuring consistent operation even under extreme conditions. Its optimized design minimizes maintenance and maximizes uptime, making it ideal for professional mining facilities utilizing immersion setups. The S21 Immersion delivers excellent energy efficiency, reduced noise, and stable long-term performance — a perfect choice for miners seeking reliability and high ROI.
| Specification | Details |
| Model | S21 Immersion |
| Algorithm | Cryptocurrency | SHA-256 | BTC/BCH/BSV |
| Hashrate | 227 TH/s ±3% |
| Power Consumption | 4200W ±5% |
| Power Efficiency | 18 J/TH ±5% |
| Power Supply AC Input Voltage | 380~415V AC |
| Power Supply AC Input Frequency Range | 50~60 Hz |
| Power Supply AC Input Current | 15A |
| Networking Connection Mode | RJ45 Ethernet 10/100M |
| Miner Dimensions (L x W x H, without package) | 290 x 190 x 410 mm |
| Miner Dimensions (L x W x H, with package) | 570 x 316 x 430 mm |
| Net Weight | 13.5 kg |
| Gross Weight | 15.0 kg |
| Coolant Type | Immersion cooling fluid |
| Operating Temperature | 0~45 °C (fluid-cooled) |
| Storage Temperature | -20~70 °C |
| Operating Humidity (non-condensing) | 10~90% |