Option 1

Option 2

WhatsMiner M66 (280TH/s) comes out ahead on more buyer-facing signals here. B8 (49MH/s) can still be the better fit when budget, availability, or a specific mining setup matters more.
Profit estimates use currently available product data and a hosted electricity rate of $0.060/kWh.
Side-by-side mining, operating, and commercial specs.
| Feature | B8 (49MH/s) | WhatsMiner M66 (280TH/s) | Advantage |
|---|---|---|---|
| Brand | N/A | MicroBT | Contextual |
| Model | N/A | M66 | Contextual |
| Hashrate | 49 MH/s | 280 TH/s Best | WhatsMiner M66 (280TH/s) |
| Power Consumption | 0W Best | 5572W | B8 (49MH/s) |
| Efficiency | N/A | 19.90 J/TH | Contextual |
| Daily energy use | 0.0 kWh Best | 133.7 kWh | B8 (49MH/s) |
| Net Daily Profit (Est.) | $0.00 | $0.65 Best | WhatsMiner M66 (280TH/s) |
| Monthly Profit (Est.) | $0.00 | $19.39 Best | WhatsMiner M66 (280TH/s) |
| Price | N/A | N/A | Contextual |
| Estimated ROI | N/A | N/A | Contextual |
| Cooling | AIR | AIR | Contextual |
| Dimensions | 440 x 650 x 270 mm | 267 x 401 x 147 mm | Contextual |
| Weight | 37000 g | 16000 g Best | WhatsMiner M66 (280TH/s) |
WhatsMiner M66 (280TH/s) has the hashrate edge for raw output potential.
Efficiency data is not available for this comparison.
Check live stock, delivery schedule, and hosting capacity on the product page before placing an order.
WhatsMiner M66 (280TH/s) has a higher hashrate of 280 TH/s compared to B8 (49MH/s)'s 49 MH/s.
Efficiency data is not available for this comparison.
Estimated ROI is not available because one of the miners is missing current pricing or profit data.
Curious? Let’s connect to answer your questions.