Compare pricing, hashrate, power draw, efficiency, ROI, and estimated hosted profitability before choosing your next mining setup.

Option 1

Option 2
WhatsMiner M66 (280MH/s) comes out ahead on more buyer-facing signals here. S11 SiaMaster (4.3MH/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 | WhatsMiner M66 (280MH/s) | S11 SiaMaster (4.3MH/s) | Advantage |
|---|---|---|---|
| Brand | N/A | N/A | Contextual |
| Model | N/A | N/A | Contextual |
| Hashrate | 280 MH/s Best | 4.3 MH/s | WhatsMiner M66 (280MH/s) |
| Power Consumption | 0W | 0W | Tie |
| Efficiency | N/A | N/A | Contextual |
| Daily energy use | 0.0 kWh | 0.0 kWh | Tie |
| Net Daily Profit (Est.) | $0.00 | $0.00 | Tie |
| Monthly Profit (Est.) | $0.00 Best | $0.00 | WhatsMiner M66 (280MH/s) |
| Price | N/A | N/A | Contextual |
| Estimated ROI | N/A | N/A | Contextual |
| Cooling | AIR | AIR | Contextual |
| Dimensions | 267 x 401 x 147 mm | 130 x 290 x 155 mm | Contextual |
| Weight | 16000 g | 3700 g Best | S11 SiaMaster (4.3MH/s) |
WhatsMiner M66 (280MH/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 (280MH/s) has a higher hashrate of 280 MH/s compared to S11 SiaMaster (4.3MH/s)'s 4.3 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.
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