Home / Bitcoin miners / MicroBT Whatsminer M66
Sold out · last price $1,852 per unit · MicroBT · Immersion · SHA-256
The MicroBT Whatsminer M66 (276 TH/s) is a immersion-cooled SHA-256 bitcoin ASIC miner from MicroBT released in Oct 2023. It hashes at 276 TH/s while drawing 5,492 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 | 0.000136 BTC | $10.52 | $8.25 | $2.27 |
| Weekly | 0.000952 BTC | $73.64 | $57.72 | $15.92 |
| Monthly | 0.004137 BTC | $320.01 | $250.84 | $69.18 |
| Yearly | 0.049638 BTC | $3,839.76 | $3,009.71 | $830.05 |
Electricity per bitcoin mined: $60,634. Year 1 return: 20%.
From $1,943 in May 2026 to $1,882 in Aug 2026 (-3%).
| Month | Price per unit | Price per TH |
|---|---|---|
| May 2026 | $1,943 | $7.04 |
| Jun 2026 | $1,882 | $6.82 |
| Jul 2026 | $1,852 | $6.71 |
| Aug 2026 | $1,882 | $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% | $60,634 | $69 | $4,241 | 20% |
| 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 | 276 TH/s |
| Power consumption | 5492 W |
| Efficiency | 19.9 J/TH |
| Cooling | Immersion |
The MicroBT Whatsminer M66 (276 TH/s) is sold out; it last sold for $1,852 per unit ($6.71 per TH/s) in Jul 2026. Delivered, imported, installed and hosted in UAE with a two-month hosting deposit, the all-in cost is about $4,241 per machine.
As of Sep 17, 2026, hosted in UAE at 6.0¢/kWh, the MicroBT Whatsminer M66 (276 TH/s) is calculated to generate $2.27 daily, $69.18 monthly and $830.05 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 $60,634 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 20% 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 276 TH/s of SHA-256 hashrate and consumes 5,492 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 $1,943 in May 2026 and $1,882 as of Aug 2026, down 3%. Over that time it ranged from $1,852 to $1,943.
MicroBT announced the MicroBT Whatsminer M66 in Oct 2023.