Antminer T21
Budget alternative to S21 with slightly lower efficiency
Calculateur de rentabilité
| Period | Revenue | Electricity Cost | Profit |
|---|---|---|---|
| Daily | $5.90 | $6.06 | $-0.16 |
| Monthly | $177.14 | $181.94 | $-4.80 |
| Yearly | $2,155.23 | $2,213.65 | $-58.42 |
Heating offset estimates the value of heat replacing an electric space heater during heating season (~6 months/year in Canada). Actual savings depend on your heating setup and climate.
We Repair This Miner
D-Central has repaired 2,500+ miners since 2016. Hashboard repair, control board diagnostics, fan replacement, and full refurbishment.
Get a Repair QuoteFull Specifications
| Model | Antminer T21 |
| Model Number | T21 |
| Manufacturer | Bitmain |
| Algorithme | SHA-256 |
| Coins Mined | Bitcoin (BTC) |
| Taux de hachage | 190 TH/s |
| Consommation électrique | 3,610 W |
| Efficiency | 19 J/TH |
| Niveau de bruit | 75 dB |
| Chip Model | BM1368 |
| Chip Count | 132 |
| Cooling | Air |
| Voltage Range | 200-240V AC |
| Operating Temperature | 5-40°C |
| Dimensions | 400x195x290 |
| Weight | 14.6 |
| Interface | Ethernet |
| BTU Output | 12317.3 BTU/hr |
| Release Date | 2023-11-01 |
| MSRP | $4,200.00 |
| Status | Active |
Home Mining Assessment
Budget alternative to S21 with slightly lower efficiency
Frequently Asked Questions
Is the Antminer T21 profitable?
At $0.07/kWh, the Antminer T21 currently operates at a daily loss of $0.16. However, profitability can improve with lower electricity rates or rising BTC prices. If used as a space heater, the heating offset may make it economically viable.
Can I mine Bitcoin at home with the Antminer T21?
The Antminer T21 has a home mining score of 37/100. With 75 dB noise and 3,610W power draw, it may require a dedicated space like a garage, basement, or outdoor enclosure. Consider noise insulation and proper ventilation.
Can the Antminer T21 heat my home?
The Antminer T21 outputs approximately 12317.3 BTU/hr of heat. For reference, a typical space heater produces 5,000-5,500 BTU/hr. All electrical energy consumed by the miner is converted to heat, making it 100% efficient as a heater. D-Central offers Bitcoin Space Heater builds designed specifically for home heating integration.
Does D-Central repair the Antminer T21?
Yes, D-Central provides professional repair services for the Antminer T21. Our technicians have repaired 2,500+ miners since 2016. Services include hashboard repair, control board diagnostics, fan replacement, and full refurbishment. Ship your miner to our Laval, Quebec facility for diagnosis and repair.
What power supply does the Antminer T21 need?
The Antminer T21 draws 3,610W of power. You need a power supply rated for at least 3,971W with appropriate voltage (200-240V AC). D-Central stocks compatible power supplies in our shop. Always use a quality PSU from a reputable manufacturer to protect your investment.
