MicroBT Whatsminer M21S
Released in June 2019, the Whatsminer M21S is an air-cooled SHA-256 ASIC from MicroBT for Bitcoin, BCH and BSV. It delivers 56 TH/s at 3360 W, or 60 J/TH.
Daily profit−$0.81
Income / day$2.13at today's BTC price and difficulty
Electricity / day−$2.9480.6 kWh a day · $0.0364/kWh
Income vs electricity · Mines BTC
Where to buy 1
| Seller | Ships from | Availability | ROI | Price | |
|---|---|---|---|---|---|
 X-ON Mining
Used
|
China | In stock | Never | $780 | $780View offer → |
Profit
| Income | Electricity | Profit | |
|---|---|---|---|
| Day | $2.13 | −$2.94 | −$0.81 |
| Week | $14.88 | −$20.55 | −$5.66 |
| Month | $63.78 | −$88.06 | −$24.28 |
| Year | $776.01 | −$1,071 | −$295.37 |
Specifications
ManufacturerMicroBT
ModelMicroBT Whatsminer M21S
ReleaseJun 2019
AlgorithmSHA-256
Hashrate56.0 TH/s
Power3,360 W
Efficiency60.0 J/TH
Noise75 dB
Size155 × 240 × 390 mm
Weight12.5 kg
InterfaceEthernet
Temperature5–45 °C
Humidity5–95 %
About this miner
The MicroBT Whatsminer M21S is an ASIC miner by MicroBT for the SHA-256 algorithm, rated at 56.0 TH/s on 3,360 W. It came out in June 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 (−$0.81 a day), so it only pays with cheaper electricity. The best price on MinerPrices is $780. At 75 dB it belongs in a dedicated mining site or hosting facility.
BCH
BSV
BTC
FB
NMC
PPC
QUAI
XECSimilar miners
| Model | Hashrate | Power | Profit |
|---|---|---|---|
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 MicroBT Whatsminer M32 | 62.0 TH/s | 3,348 W | −$0.57 |
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 Canaan AvalonMiner 1066 | 50.0 TH/s | 3,250 W | −$0.94 |
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