Canaan AvalonMiner 821
The AvalonMiner 821 is a Canaan SHA-256 miner from the Avalon A8 generation, released in February 2018. It mines Bitcoin and Bitcoin Cash at 11.5 TH/s on 1200 W (104 J/TH).
Daily profit−$0.61
Income / day$0.44at today's BTC price and difficulty
Electricity / day−$1.0528.8 kWh a day · $0.0364/kWh
Income vs electricity · Mines BTC
Where to buy 1
| Seller | Ships from | Availability | ROI | Price | |
|---|---|---|---|---|---|
![]() X-ON Mining
|
China | In stock | Never | $899 | $899View offer → |
Profit
| Income | Electricity | Profit | |
|---|---|---|---|
| Day | $0.44 | −$1.05 | −$0.61 |
| Week | $3.07 | −$7.34 | −$4.27 |
| Month | $13.14 | −$31.45 | −$18.31 |
| Year | $159.83 | −$382.64 | −$222.81 |
Specifications
ManufacturerCanaan
ModelCanaan AvalonMiner 821
Also known asAvalon A8
ReleaseFeb 2018
AlgorithmSHA-256
Hashrate11.5 TH/s
Power1,200 W
Efficiency104.3 J/TH
Noise65 dB
Size150 × 136 × 370 mm
Weight4.7 kg
InterfaceAUC3 - RJ45
Temperature5–30 °C
Humidity5–95 %
About this miner
The Canaan AvalonMiner 821 is an ASIC miner by Canaan for the SHA-256 algorithm, rated at 11.5 TH/s on 1,200 W. It came out in February 2018. At 104.3 J/TH it uses 300% more power per hash than the median SHA-256 miner we track (26.1 J/TH). At $0.036/kWh its power costs more than it earns mining BTC (−$0.61 a day), so it only pays with cheaper electricity. The best price on MinerPrices is $899. At 65 dB it suits a garage or basement with good ventilation.
Similar miners
| Model | Hashrate | Power | Profit |
|---|---|---|---|
| 11.5 TH/s | 1,127 W | −$0.55 | |
| 12.5 TH/s | 1,225 W | −$0.59 | |
| 13.0 TH/s | 1,290 W | −$0.63 | |
| 13.0 TH/s | 1,300 W | −$0.64 | |
| 12.0 TH/s | 1,320 W | −$0.70 | |
| 11.5 TH/s | 1,450 W | −$0.83 |

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