Home / Bitcoin miners / MicroBT Whatsminer M66
Sold out · last price $1,751 per unit · MicroBT · Immersion · SHA-256
The MicroBT Whatsminer M66 (280 TH/s) is a immersion-cooled SHA-256 bitcoin ASIC miner from MicroBT released in Oct 2023. It runs at 280 TH/s while drawing 5,572 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.
More on this machine: MicroBT Whatsminer M66 price history · MicroBT Whatsminer M66 profitability history
As of Sep 21, 2026, hosted in UAE at 6.0¢/kWh with 99.3% uptime. Bitcoin $87,031.
| Period | Bitcoin mined | Revenue | Electricity | Profit |
|---|---|---|---|---|
| Daily | 0.000133 BTC | $11.59 | $8.37 | $3.22 |
| Weekly | 0.000932 BTC | $81.13 | $58.56 | $22.57 |
| Monthly | 0.004051 BTC | $352.57 | $254.49 | $98.08 |
| Yearly | 0.048607 BTC | $4,230.32 | $3,053.55 | $1,176.77 |
Electricity per bitcoin mined: $62,821. Year 1 return: 30%.
From $1,894 in May 2026 to $1,808 in Sep 2026 (-5%).
| Month | Price per unit | Price per TH |
|---|---|---|
| May 2026 | $1,837 | $6.56 |
| Jun 2026 | $1,779 | $6.36 |
| Jul 2026 | $1,808 | $6.46 |
| Aug 2026 | $1,808 | $6.46 |
| Sep 2026 | $1,808 | $6.46 |
| Site | Cooling | Rate | Uptime | Cost per BTC | Profit per month | All-in per unit | Year 1 return |
|---|---|---|---|---|---|---|---|
| UAE | Immersion | 6.0¢ | 99.3% | $62,821 | $98 | $3,989 | 30% |
| Nigeria | Not offered | 3.9¢ | 73.6% | — | — | — | — |
| Argentina | Not offered | 6.0¢ | 98.7% | — | — | — | — |
| Specification | Value |
|---|---|
| Manufacturer | MicroBT |
| Model | MicroBT Whatsminer M66 |
| Release date | Oct 2023 |
| Algorithm | SHA-256 |
| Hashrate | 280 TH/s |
| Power consumption | 5572 W |
| Efficiency | 19.9 J/TH |
| Cooling | Immersion |
The MicroBT Whatsminer M66 (280 TH/s) is sold out; it last sold for $1,751 per unit ($6.25 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 $3,989 per machine.
As of Sep 21, 2026, hosted in UAE at 6.0¢/kWh, the MicroBT Whatsminer M66 (280 TH/s) is calculated to generate $3.22 daily, $98.08 monthly and $1,176.77 yearly after electricity, at a bitcoin price of $87,031. It always changes with bitcoin's price and network difficulty.
Electricity to mine one bitcoin with the MicroBT Whatsminer M66 costs about $62,821 in UAE. Bitcoin trades at $87,031, so every coin it mines is made 28% below the price of buying one.
At current bitcoin price and difficulty, the MicroBT Whatsminer M66 returns 30% 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 280 TH/s of SHA-256 hashrate and consumes 5,572 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 $1,894 in May 2026 and $1,808 as of Sep 2026, down 5%. Over that time it ranged from $1,751 to $1,894.
MicroBT announced the MicroBT Whatsminer M66 in Oct 2023.
Also sold as MicroBT Whatsminer M66 (276 TH/s), MicroBT Whatsminer M66 (274 TH/s), MicroBT Whatsminer M66 (272 TH/s).