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MicroBT Whatsminer M66S (300 TH/s)
Sold out · last price $2,277 per unit · MicroBT · Immersion · SHA-256
The MicroBT Whatsminer M66S (300 TH/s) is a immersion-cooled SHA-256 bitcoin ASIC miner from MicroBT. It hashes at 300 TH/s while drawing 5,400 W, an efficiency of 18 J/TH. It is currently sold out; the figures below show what it would earn if hosted with us today.
MicroBT Whatsminer M66S profitability
As of Sep 17, 2026, hosted in UAE at 6.0¢/kWh with 99.3% uptime. Bitcoin $77,356.
| Period | Bitcoin mined | Revenue | Electricity | Profit |
|---|---|---|---|---|
| Daily | 0.000148 BTC | $11.43 | $8.11 | $3.33 |
| Weekly | 0.001035 BTC | $80.04 | $56.75 | $23.29 |
| Monthly | 0.004497 BTC | $347.84 | $246.63 | $101.21 |
| Yearly | 0.053954 BTC | $4,173.65 | $2,959.29 | $1,214.36 |
Electricity per bitcoin mined: $54,849. Year 1 return: 26%.
Where to host the MicroBT Whatsminer M66S
| Site | Cooling | Rate | Uptime | Cost per BTC | Profit per month | All-in per unit | Year 1 return |
|---|---|---|---|---|---|---|---|
| UAE | Immersion | 6.0¢ | 99.3% | $54,849 | $101 | $4,700 | 26% |
| Nigeria | Not offered | 4.0¢ | 74.7% | — | — | — | — |
| Argentina | Not offered | 6.0¢ | 98.7% | — | — | — | — |
MicroBT Whatsminer M66S specifications
| Specification | Value |
|---|---|
| Manufacturer | MicroBT |
| Model | MicroBT Whatsminer M66S |
| Release date | — |
| Algorithm | SHA-256 |
| Hashrate | 300 TH/s |
| Power consumption | 5400 W |
| Efficiency | 18 J/TH |
| Cooling | Immersion |
MicroBT Whatsminer M66S FAQ
How much does the MicroBT Whatsminer M66S cost?
The MicroBT Whatsminer M66S (300 TH/s) is sold out; it last sold for $2,277 per unit ($7.59 per TH/s) in Aug 2026. Delivered, imported, installed and hosted in UAE with a two-month hosting deposit, the all-in cost is about $4,700 per machine.
Is the MicroBT Whatsminer M66S (300 TH/s) profitable?
As of Sep 17, 2026, hosted in UAE at 6.0¢/kWh, the MicroBT Whatsminer M66S (300 TH/s) is calculated to generate $3.33 daily, $101.21 monthly and $1,214.36 yearly after electricity, at a bitcoin price of $77,356. It always changes with bitcoin's price and network difficulty.
What does it cost to mine one bitcoin with the MicroBT Whatsminer M66S?
Electricity to mine one bitcoin with the MicroBT Whatsminer M66S costs about $54,849 in UAE. Bitcoin trades at $77,356, so every coin it mines is made 29% below the price of buying one.
What is the year 1 return of the MicroBT Whatsminer M66S?
At current bitcoin price and difficulty, the MicroBT Whatsminer M66S returns 26% in its first year at our sites, after electricity, against everything paid up front: the machine, shipping, import, infrastructure, setup and hosting deposit. You keep the machine and every bitcoin it mines. It always changes.
What is the hashrate and power consumption of the MicroBT Whatsminer M66S?
The MicroBT Whatsminer M66S produces 300 TH/s of SHA-256 hashrate and consumes 5,400 W, giving an efficiency of 18 J/TH.
Is the MicroBT Whatsminer M66S air-cooled or hydro-cooled?
The MicroBT Whatsminer M66S is built for immersion cooling, submerged in dielectric fluid in a tank. We run immersion tanks in the UAE.
Where can the MicroBT Whatsminer M66S be hosted?
We can host the MicroBT Whatsminer M66S in UAE (6.0¢/kWh, 99.3% uptime). The bitcoin it mines goes straight to your own wallet.