Bitmain
Antminer S21
Limited stock (2 available)
- Hashrate
- 200 TH/s
- Power
- 3500W
- Efficiency
- 17.5 J/TH
Next-generation air-cooled miner pushing efficiency to 17.5 J/TH. A strong choice for operators who already have hosting in place.
Warranty
12 months
Request a quote
2 available
Pricing updated: May 29, 2026, 12:30 PM
Full specifications
| Manufacturer | Bitmain |
|---|---|
| Model | Antminer S21 |
| Algorithm | SHA-256 |
| Hashrate | 200 TH/s |
| Power draw | 3500 W |
| Efficiency | 17.5 J/TH |
| Cooling | air |
| Weight | 15 kg |
| Dimensions (L×W×H) | 400 × 195 × 290 mm |
| Noise | 75 dB at 1 m |
| Hosting available | Yes |
About this miner
Next-generation air-cooled miner pushing efficiency to 17.5 J/TH. A strong choice for operators who already have hosting in place.
Hosting partner network
Every Rigcolo machine can be deployed at one of Rigcolo's vetted hosting partners nationwide. Add a bundled hosting term when you request a quote, or bring your own facility.