MicroBT Whatsminer M21
MicroBT's Whatsminer M21 is an air-cooled SHA-256 miner from the M20 series, released in August 2019 for BTC, BCH and BSV. It is rated at 31 TH/s with 1860 W of power draw, an efficiency of 60 J/TH.
Daily profit−$0.45
Income / day$1.18at today's BTC price and difficulty
Electricity / day−$1.6244.6 kWh a day · $0.0364/kWh
Income vs electricity · Mines BTC
Where to buy 0
No seller lists this miner yet.
Profit
| Income | Electricity | Profit | |
|---|---|---|---|
| Day | $1.18 | −$1.62 | −$0.45 |
| Week | $8.24 | −$11.37 | −$3.14 |
| Month | $35.30 | −$48.75 | −$13.44 |
| Year | $429.54 | −$593.09 | −$163.55 |
Specifications
ManufacturerMicroBT
ModelMicroBT Whatsminer M21
ReleaseAug 2019
AlgorithmSHA-256
Hashrate31.0 TH/s
Power1,860 W
Efficiency60.0 J/TH
Noise75 dB
Size200 × 300 × 440 mm
Weight7.2 kg
InterfaceEthernet
Temperature-5–40 °C
Humidity5–95 %
About this miner
The MicroBT Whatsminer M21 is an ASIC miner by MicroBT for the SHA-256 algorithm, rated at 31.0 TH/s on 1,860 W. It came out in August 2019. At 60.0 J/TH it uses 130% 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 (−$0.45 a day), so it only pays with cheaper electricity. No store lists it on MinerPrices at the moment. At 75 dB it belongs in a dedicated mining site or hosting facility.
Similar miners
| Model | Hashrate | Power | Profit |
|---|---|---|---|
| 28.0 TH/s | 1,596 W | −$0.33 | |
| 30.0 TH/s | 1,950 W | −$0.56 | |
| 33.0 TH/s | 2,145 W | −$0.62 | |
| 32.0 TH/s | 2,200 W | −$0.71 | |
| 28.0 TH/s | 2,100 W | −$0.77 | |
| 30.0 TH/s | 2,400 W | −$0.96 |
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