MicroBT WhatsMiner M66S+
MicroBT's WhatsMiner M66S+ is a liquid-cooled SHA-256 ASIC in the M66 line, released in August 2024 for Bitcoin, BCH and BSV. It produces 318 TH/s from 5406 W, about 17 J/TH.

Income vs electricity · Mines BTC · 318 TH/s · 5,406 W · SHA-256
| Income | Electricity | Profit | |
|---|---|---|---|
| Day | $12.10 | −$4.72 | $7.38 |
| Week | $84.71 | −$33.06 | $51.65 |
| Month | $363.05 | −$141.68 | $221.37 |
| Year | $4,417 | −$1,724 | $2,693 |
Where to buy
| Seller | Ships from | Availability | ROI | Price | |
|---|---|---|---|---|---|
Cryptoware
✓ Verified seller
|
United Kingdom | In stock | 293 days | $2,158 | $2,158View offer → |
LeedMiner
✓ Verified seller
|
China | In stock | 302 days | $2,226 | $2,226View offer → |
![]() MiningEquipment
|
Spain | In stock | 427 days | $3,145 2,809 EUR |
$3,145View offer → |
![]() Yesmining
✓ Verified seller
|
China | In stock | 800 days | $5,900 | $5,900View offer → |
Price history
━ Average price ━ Lowest price
Specifications
Mineable coins
About this miner
The MicroBT WhatsMiner M66S+ is an ASIC miner by MicroBT for the SHA-256 algorithm, rated at 318 TH/s on 5,406 W. It came out in August 2024. At 17.0 J/TH it is 36% more efficient than the median SHA-256 miner we track (26.4 J/TH). At $0.036/kWh it ranks #49 of 247 SHA-256 miners by daily profit, earning about $7.38 a day mining BTC. The best price on MinerPrices is $2,158. At today's rates it would pay for itself in about 293 days. At 75 dB it belongs in a dedicated mining site or hosting facility.
Similar miners
| MicroBT WhatsMiner M76S | 362 TH/s | 5,200 W | $9.23 |
| MicroBT WhatsMiner M66S++ | 356 TH/s | 5,518 W | $8.73 |
| MicroBT WhatsMiner M76 | 336 TH/s | 5,200 W | $8.24 |
| MicroBT WhatsMiner M63 | 334 TH/s | 6,646 W | $6.90 |
| MicroBT WhatsMiner M66S | 298 TH/s | 5,513 W | $6.52 |
| MicroBT WhatsMiner M66 | 280 TH/s | 5,572 W | $5.79 |


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