MicroBT Whatsminer M66
Professional-Grade Miner
This miner draws 4,736W and produces 75+ dB of noise — it is designed for dedicated mining environments, not living spaces. Professional-grade miners deliver the highest hashrate and revenue per unit but require proper infrastructure: a 240V circuit, adequate ventilation or exhaust ducting, and a space where noise is not a concern (garage, basement, warehouse, or outdoor enclosure).
For home miners looking for a quieter alternative, consider our Bitcoin Space Heater builds or explore open-source miners like the Bitaxe that are purpose-built for residential environments.
Profitability Calculator
| Period | Revenue | Electricity Cost | Profit |
|---|---|---|---|
| Daily | $7.60 | $7.96 | $-0.36 |
| Weekly | $53.19 | $55.70 | $-2.50 |
| Monthly | $227.97 | $238.69 | $-10.72 |
| Yearly | $2,773.69 | $2,904.12 | $-130.42 |
Heating offset estimates the value of heat replacing an electric space heater during heating season (~6 months/year in Canada). Actual savings depend on your heating setup and climate.
Where to Buy the MicroBT Whatsminer M66
D-Central Technologies
CanadaBitcoin Mining Hackers since 2016. Ships from Laval, Quebec.
View ProductASIC Miner Market
United StatesWide selection of new and used ASIC miners. US-based shipping.
Shop NowFull Specifications
| Model | MicroBT Whatsminer M66 |
| Model Number | Whatsminer M66 |
| Manufacturer | MicroBT |
| Algorithm | SHA-256 |
| Coins Mined | Bitcoin (BTC) |
| Hashrate | 238 TH/s |
| Power Consumption | 4,736 W |
| Efficiency | 19.9 J/TH |
| Dimensions | 267.5*147*401mm |
| Weight | 16 |
| BTU Output | 16159 BTU/hr |
| Equivalent Heater | Equal to a 4,736W space heater |
| Daily Power Cost | $7.96/day |
| Monthly Power Cost | $238.69/mo |
| Circuit Requirement | 240V circuit required |
| Release Date | 2023-11-01 |
| MSRP | $3,672.00 |
| Status | Active |
Home Mining Assessment
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Frequently Asked Questions
Is the MicroBT Whatsminer M66 profitable?
At $0.07/kWh, the MicroBT Whatsminer M66 currently operates at a daily loss of $0.36. However, profitability can improve with lower electricity rates or rising BTC prices. If used as a space heater, the heating offset may make it economically viable.
Can I mine Bitcoin at home with the MicroBT Whatsminer M66?
The MicroBT Whatsminer M66 has a home mining score of 16/100. With 0 dB noise and 4,736W power draw, it may require a dedicated space like a garage, basement, or outdoor enclosure. Consider noise insulation and proper ventilation.
Can the MicroBT Whatsminer M66 heat my home?
The MicroBT Whatsminer M66 outputs approximately 16159 BTU/hr of heat. For reference, a typical space heater produces 5,000-5,500 BTU/hr. All electrical energy consumed by the miner is converted to heat, making it 100% efficient as a heater. D-Central offers Bitcoin Space Heater builds designed specifically for home heating integration.
What power supply does the MicroBT Whatsminer M66 need?
The MicroBT Whatsminer M66 draws 4,736W of power. You need a power supply rated for at least 5,210W with appropriate voltage (200-240V AC). D-Central stocks compatible power supplies in our shop. Always use a quality PSU from a reputable manufacturer to protect your investment.