Home / Bitcoin miners / MicroBT Whatsminer M66
Sold out · last price $1,869 per unit · MicroBT · Immersion · SHA-256
The MicroBT Whatsminer M66 (274 TH/s) is a immersion-cooled SHA-256 bitcoin ASIC miner from MicroBT released in Oct 2023. It hashes at 274 TH/s while drawing 5,453 W, an efficiency of 19.9 J/TH. It is currently sold out; the figures below show what it would earn if hosted with us today.
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 | 0.000135 BTC | $10.44 | $8.19 | $2.26 |
| Weekly | 0.000945 BTC | $73.11 | $57.31 | $15.80 |
| Monthly | 0.004107 BTC | $317.70 | $249.06 | $68.64 |
| Yearly | 0.049278 BTC | $3,811.93 | $2,988.34 | $823.60 |
Electricity per bitcoin mined: $60,643. Year 1 return: 19%.
From $1,929 in May 2026 to $1,869 in Aug 2026 (-3%).
| Month | Price per unit | Price per TH |
|---|---|---|
| May 2026 | $1,929 | $7.04 |
| Jun 2026 | $1,869 | $6.82 |
| Jul 2026 | $1,839 | $6.71 |
| Aug 2026 | $1,869 | $6.82 |
| Site | Cooling | Rate | Uptime | Cost per BTC | Profit per month | All-in per unit | Year 1 return |
|---|---|---|---|---|---|---|---|
| UAE | Immersion | 6.0¢ | 99.3% | $60,643 | $69 | $4,256 | 19% |
| Nigeria | Not offered | 4.0¢ | 74.7% | — | — | — | — |
| Argentina | Not offered | 6.0¢ | 98.7% | — | — | — | — |
| Specification | Value |
|---|---|
| Manufacturer | MicroBT |
| Model | MicroBT Whatsminer M66 |
| Release date | Oct 2023 |
| Algorithm | SHA-256 |
| Hashrate | 274 TH/s |
| Power consumption | 5453 W |
| Efficiency | 19.9 J/TH |
| Cooling | Immersion |
The MicroBT Whatsminer M66 (274 TH/s) is sold out; it last sold for $1,869 per unit ($6.82 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 $4,256 per machine.
As of Sep 17, 2026, hosted in UAE at 6.0¢/kWh, the MicroBT Whatsminer M66 (274 TH/s) is calculated to generate $2.26 daily, $68.64 monthly and $823.60 yearly after electricity, at a bitcoin price of $77,356. It always changes with bitcoin's price and network difficulty.
Electricity to mine one bitcoin with the MicroBT Whatsminer M66 costs about $60,643 in UAE. Bitcoin trades at $77,356, so every coin it mines is made 22% below the price of buying one.
At current bitcoin price and difficulty, the MicroBT Whatsminer M66 returns 19% 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 M66 produces 274 TH/s of SHA-256 hashrate and consumes 5,453 W, giving an efficiency of 19.9 J/TH.
The MicroBT Whatsminer M66 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 M66 in UAE (6.0¢/kWh, 99.3% uptime). The bitcoin it mines goes straight to your own wallet.
The MicroBT Whatsminer M66 sold for $1,929 in May 2026 and $1,869 as of Aug 2026, down 3%. Over that time it ranged from $1,839 to $1,929.
MicroBT announced the MicroBT Whatsminer M66 in Oct 2023.