MicroBT WhatsMiner M66S+
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MicroBTSHA-256BTC
WhatsMiner M66S+
318 TH/s5,406 WAir-cooled
Profit / day
-$0.88/day
after power at $0.08/kWh
Efficiency
17.00J/TH
Availability
Not stockedWe don’t carry this model. Ask and we’ll try to source one.—
Profitability · SHA-256 · BTC
Is the WhatsMiner M66S+ profitable?
Not at $0.08 per kWh. The MicroBT WhatsMiner M66S+ mines Bitcoin on the SHA-256 algorithm at 318 TH/s, drawing 5,406 W (17.0 J/TH). At $0.08 per kWh it earns about $9.50 a day but spends $10.38 on power, so it loses $0.88 a day.
It’s #87 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 August 2024.
- Break-even power price
- $0.073/kWh
- Daily profit rank
- #249of 533
It only makes money below this.
Across every miner we track.
WhatsMiner M66S+ specifications
Other coins it can mine
Mine instead
BitcoinBTCRanked on
$9.500.000126 BTC
–
0.000036%
$31.0B
−2.0%
QuaiQUAI
$11.301,566 QUAI
+19%
0.40%
$90kLow liquidity
+14.8%
eCashXEC
$10.381,840,128 XEC
+9%
0.73%
$2.7M
−6.5%
Bitcoin CashBCH
$9.270.0390 BCH
−2%
0.0093%
$140.1M
−13.9%
DigiByte (SHA-256)DGB
$6.712,224 DGB
−29%
0.78%
$2.3M
−4.1%
Paid on top
Fractal BitcoinFB
+<$0.010.00161 FB
+<1%
0.000037%
$2.4M
−19.0%Volatile
NamecoinNMC
+<$0.010.000136 NMC
+<1%
0.000037%
$0Illiquid
+0.4%
ElastosELA
+<$0.010.000136 ELA
+<1%
0.000037%
$311k
−38.1%Highly volatile
HathorHTR
+<$0.010.0123 HTR
+<1%
0.000037%
$69kLow liquidity
−17.1%Volatile
Max potential profitUnlikely
-$0.88/day
-$0.88 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 |
| MicroBT WhatsMiner M63S++Newer model | #53 | 15.5 J/TH | $0.03 |
| MicroBT WhatsMiner M66S+This miner | #119 | 17.0 J/TH | -$0.88 |
| Bitmain Antminer S21e Hyd (332T) | #122 | 17.0 J/TH | -$0.92 |
| MicroBT WhatsMiner M63S+Earlier model | #129 | 17.0 J/TH | -$1.18 |
| MicroBT WhatsMiner M63S+ 17W (442T) | #132 | 17.0 J/TH | -$1.23 |
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.