Home / Bitcoin miners / MicroBT Whatsminer M66S
In stock · $4,123 all-in, delivered, installed and hosted in UAE · MicroBT · Immersion · SHA-256
The MicroBT Whatsminer M66S (302 TH/s) is a immersion-cooled SHA-256 bitcoin ASIC miner from MicroBT. It runs at 302 TH/s while drawing 5,436 W, an efficiency of 18 J/TH. It is in stock, delivered and hosted at one of our sites.
More on this machine: MicroBT Whatsminer M66S price history · MicroBT Whatsminer M66S profitability history · Two years in the UAE, the Whatsminer M66S has never needed to move or switch off · Whatsminer M66S review: a low entry price, and two better immersion machines one step up
As of Nov 1, 2026, hosted in UAE at 6.5¢/kWh with 99.3% uptime. Bitcoin $77,951.
| Period | Bitcoin mined | Revenue | Electricity | Profit |
|---|---|---|---|---|
| Daily | 0.000128 BTC | $9.99 | $8.84 | $1.15 |
| Weekly | 0.000897 BTC | $69.94 | $61.89 | $8.04 |
| Monthly | 0.003899 BTC | $303.93 | $268.97 | $34.96 |
| Yearly | 0.046782 BTC | $3,646.70 | $3,227.27 | $419.43 |
Electricity per bitcoin mined: $68,985. Year 1 return: 10%.
From $5,877 in Dec 2023 to $2,220 in Sep 2026 (-62%).
| Month | Price per unit | Price per TH |
|---|---|---|
| Dec 2023 | $5,877 | $19.46 |
| Jan 2024 | $6,049 | $20.03 |
| Feb 2024 | $6,058 | $20.06 |
| Mar 2024 | $6,088 | $20.16 |
| Apr 2024 | $5,913 | $19.58 |
| May 2024 | $5,768 | $19.10 |
| Jun 2024 | $5,740 | $19.01 |
| Aug 2026 | $2,297 | $7.61 |
| Sep 2026 | $2,220 | $7.35 |
| Site | Cooling | Rate | Uptime | Cost per BTC | Profit per month | All-in per unit | Year 1 return |
|---|---|---|---|---|---|---|---|
| UAE | Immersion | 6.5¢ | 99.3% | $68,985 | $35 | $4,123 | 10% |
| Nigeria | Not offered | 4.5¢ | 73.6% | — | — | — | — |
| Argentina | Not offered | 6.5¢ | 98.7% | — | — | — | — |
| Specification | Value |
|---|---|
| Manufacturer | MicroBT |
| Model | MicroBT Whatsminer M66S |
| Release date | — |
| Algorithm | SHA-256 |
| Hashrate | 302 TH/s |
| Power consumption | 5436 W |
| Efficiency | 18 J/TH |
| Cooling | Immersion |
The all-in price of the MicroBT Whatsminer M66S (302 TH/s) is about $4,123 per machine, delivered, imported, installed and hosted in UAE with a two-month hosting deposit. That is the machine itself at $2,220 ($7.35 per TH/s, the Hong Kong price) plus shipping, infrastructure, import duty, customs, setup and the deposit.
As of Nov 1, 2026, hosted in UAE at 6.5¢/kWh, the MicroBT Whatsminer M66S (302 TH/s) is calculated to generate $1.15 daily, $34.96 monthly and $419.43 yearly after electricity, at a bitcoin price of $77,951. It always changes with bitcoin's price and network difficulty.
Electricity to mine one bitcoin with the MicroBT Whatsminer M66S costs about $68,985 in UAE. Bitcoin trades at $77,951, so every coin it mines is made 12% below the price of buying one.
At current bitcoin price and difficulty, the MicroBT Whatsminer M66S returns 10% 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.
The MicroBT Whatsminer M66S produces 302 TH/s of SHA-256 hashrate and consumes 5,436 W, giving an efficiency of 18 J/TH.
The MicroBT Whatsminer M66S is built for immersion cooling, submerged in dielectric fluid in a tank. We run immersion tanks in the UAE.
We can host the MicroBT Whatsminer M66S in UAE (6.5¢/kWh, 99.3% uptime). The bitcoin it mines goes straight to your own wallet.
The MicroBT Whatsminer M66S sold for $5,877 in Dec 2023 and $2,220 as of Sep 2026, down 62%. Over that time it ranged from $2,220 to $6,125.