WhatsMiner M66S++ (356MH/s) vs A4 Dominator (280MH/s)
Compare pricing, hashrate, power draw, efficiency, ROI, and estimated hosted profitability before choosing your next mining setup.
Option 1
WhatsMiner M66S++ (356MH/s)
Option 2
A4 Dominator (280MH/s)
WhatsMiner M66S++ (356MH/s) leads this comparison
WhatsMiner M66S++ (356MH/s) comes out ahead on more buyer-facing signals here. A4 Dominator (280MH/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.
Technical comparison
Side-by-side mining, operating, and commercial specs.
| Feature | WhatsMiner M66S++ (356MH/s) | A4 Dominator (280MH/s) | Advantage |
|---|---|---|---|
| Brand | N/A | Innosilicon | Contextual |
| Model | N/A | A4 | Contextual |
| Hashrate | 356 MH/s Best | 280 MH/s | WhatsMiner M66S++ (356MH/s) |
| Power Consumption | 0W Best | 1050W | WhatsMiner M66S++ (356MH/s) |
| Efficiency | N/A | 3.75 J/MH | Contextual |
| Daily energy use | 0.0 kWh Best | 25.2 kWh | WhatsMiner M66S++ (356MH/s) |
| Net Daily Profit (Est.) | $13.11 Best | -$1.40 | WhatsMiner M66S++ (356MH/s) |
| Monthly Profit (Est.) | $393.38 Best | -$42.06 | WhatsMiner M66S++ (356MH/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 | 260 x 280 x 130 mm | Contextual |
| Weight | 18000 g | 9200 g Best | A4 Dominator (280MH/s) |
Performance
WhatsMiner M66S++ (356MH/s) has the hashrate edge for raw output potential.
Efficiency
Efficiency data is not available for this comparison.
Buying decision
Check live stock, delivery schedule, and hosting capacity on the product page before placing an order.
Frequently asked questions
Which is more powerful: WhatsMiner M66S++ (356MH/s) or A4 Dominator (280MH/s)?
WhatsMiner M66S++ (356MH/s) has a higher hashrate of 356 MH/s compared to A4 Dominator (280MH/s)'s 280 MH/s.
Is WhatsMiner M66S++ (356MH/s) more efficient than A4 Dominator (280MH/s)?
Efficiency data is not available for this comparison.
Which miner has the better estimated ROI?
Estimated ROI is not available because one of the miners is missing current pricing or profit data.
Every Day You Wait is Revenue You Lose
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