MicroBT WhatsMiner M66
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MicroBTSHA-256BTC
WhatsMiner M66
280 TH/s5,572 WAir-cooled
Profit / day
-$2.34/day
after power at $0.08/kWh
Efficiency
19.90J/TH
Availability
Not stockedWe don’t carry this model. Ask and we’ll try to source one.—
Profitability · SHA-256 · BTC
Is the WhatsMiner M66 profitable?
Not at $0.08 per kWh. The MicroBT WhatsMiner M66 mines Bitcoin on the SHA-256 algorithm at 280 TH/s, drawing 5,572 W (19.9 J/TH). At $0.08 per kWh it earns about $8.36 a day but spends $10.70 on power, so it loses $2.34 a day.
It’s #120 of 269 SHA-256 miners on efficiency. It isn’t in stock with us at the moment. It’s an air-cooled unit, released in November 2023.
- Break-even power price
- $0.063/kWh
- Daily profit rank
- #353of 533
It only makes money below this.
Across every miner we track.
WhatsMiner M66 specifications
Other coins it can mine
Mine instead
BitcoinBTCRanked on
$8.360.000111 BTC
–
0.000032%
$31.0B
−2.0%
QuaiQUAI
$9.961,379 QUAI
+19%
0.35%
$90kLow liquidity
+14.8%
eCashXEC
$9.151,621,652 XEC
+9%
0.64%
$2.7M
−6.5%
Bitcoin CashBCH
$8.160.0343 BCH
−2%
0.0082%
$140.1M
−13.9%
DigiByte (SHA-256)DGB
$5.911,960 DGB
−29%
0.69%
$2.3M
−4.1%
Paid on top
Fractal BitcoinFB
+<$0.010.00141 FB
+<1%
0.000033%
$2.4M
−19.0%Volatile
NamecoinNMC
+<$0.010.000120 NMC
+<1%
0.000033%
$0Illiquid
+0.4%
ElastosELA
+<$0.010.000120 ELA
+<1%
0.000033%
$311k
−38.1%Highly volatile
HathorHTR
+<$0.010.0108 HTR
+<1%
0.000033%
$69kLow liquidity
−17.1%Volatile
Max potential profitUnlikely
-$2.34/day
-$2.34 BTC profit + <$0.01 paid on top
How it compares · SHA-256 miners
| Miner | Rank | Efficiency | Profit / day |
|---|---|---|---|
| Bitmain Antminer S23 Hyd 3U (1.16 PH) | #1 | 9.5 J/TH | $13.48 |
| Bitdeer SealMiner A4 Ultra Hydro | #2 | 9.4 J/TH | $10.38 |
| Bitmain Antminer S23e Hyd U2H (865T) | #3 | 10.0 J/TH | $9.22 |
| Bitmain Antminer S23e Hyd 2U (865Th) | #4 | 10.0 J/TH | $9.22 |
| NerdMiner NerdOCTAxe Rev 3.1 | #87 | 20.0 J/TH | -$0.10 |
| MicroBT WhatsMiner M60SNewer model | #124 | 18.5 J/TH | -$1.05 |
| MicroBT WhatsMiner M60 | #137 | 19.9 J/TH | -$1.43 |
| MicroBT WhatsMiner M66SEarlier model | #143 | 18.5 J/TH | -$1.69 |
| MicroBT WhatsMiner M66This miner | #169 | 19.9 J/TH | -$2.34 |
| MicroBT WhatsMiner M63 | #192 | 19.9 J/TH | -$2.79 |
More from MicroBT
| Miner | Profit / day |
|---|---|
| MicroBT WhatsMiner M7AS+SHA-256 | $3.52 |
| MicroBT WhatsMiner M7DSSHA-256 | $2.64 |
| MicroBT WhatsMiner M73S+SHA-256 | $2.30 |
| MicroBT WhatsMiner M79SSHA-256 | $1.91 |
| MicroBT WhatsMiner M76S+SHA-256 | $1.66 |
Figures updated 00:01 UTC, 10 November 2026, using today’s network difficulty and coin prices. Estimates, not financial advice.