235 TH/s Air 6.3 J/TH
Antminer
Antminer S21++
$1480
The Antminer S21++ is Bitmain's air-cooled Bitcoin miner, delivering 235 TH/s at 6.3 J/TH efficiency. Built on the SHA-256 algorithm with modern chip architecture for stable, long-term operation. The air-cooled design allows simple deployment with a dedicated circuit and proper ventilation. An ideal choice for those seeking reliable hardware — exact price and stock depend on the time of sourcing.
Hashrate235 TH/s
Efficiency6.3 J/TH
CoolingAir
* Exact warranty and stock depend on the time of sourcing.
Full specifications
| Manufacturer | Bitmain |
| Model | Antminer S21++ |
| Released | 2025 |
| Algorithm | SHA-256 |
| Mineable coins | BTC, BCH, BSV |
| Hashrate | 235 TH/s |
| Efficiency | 6.3 J/TH |
| Voltage | 220–277 V |
| Cooling | Léghűtés · nagy sebességű ventilátorokkal |
| Noise | ~75 dB |
| Network | RJ45 Ethernet |
| Chips | BM1370 chip |
| Dimensions | 400×195×290 mm |
| Net weight | ~15 kg |
| Power supply | Beépített / mellékelt tápegység |
| Warranty | 365 nap gyári garancia (új gépeknél) |
| Tolerance | Hashrate ±3%, teljesítmény ±5% |
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