Home / Bitcoin miners / MicroBT Whatsminer M66
Sold out · Last price $3,654 all-in, delivered, installed and hosted in UAE · 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 runs 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.
More on this machine: MicroBT Whatsminer M66 price history · MicroBT Whatsminer M66 profitability history · Whatsminer M66 review: 19.9 J/TH in the tank, and the lowest entry price in its family
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 | 0.000117 BTC | $9.13 | $8.93 | $0.20 |
| Weekly | 0.000820 BTC | $63.92 | $62.53 | $1.39 |
| Monthly | 0.003563 BTC | $277.76 | $271.74 | $6.02 |
| Yearly | 0.042754 BTC | $3,332.75 | $3,260.52 | $72.23 |
Electricity per bitcoin mined: $76,262. Year 1 return: 2%.
From $3,461 in Oct 2023 to $1,826 in Sep 2026 (-47%).
| Month | Price per unit | Price per TH |
|---|---|---|
| Oct 2023 | $3,461 | $12.54 |
| Nov 2023 | $3,911 | $14.17 |
| Dec 2023 | $3,861 | $13.99 |
| Jan 2024 | $3,737 | $13.54 |
| Feb 2024 | $3,431 | $12.43 |
| Mar 2024 | $3,282 | $11.89 |
| Apr 2024 | $3,414 | $12.37 |
| May 2024 | $3,646 | $13.21 |
| Jun 2024 | $3,483 | $12.62 |
| Jul 2024 | $3,323 | $12.04 |
| Aug 2024 | $3,097 | $11.22 |
| Sep 2024 | $3,047 | $11.04 |
| Oct 2024 | $3,282 | $11.89 |
| Nov 2024 | $3,696 | $13.39 |
| Dec 2024 | $3,569 | $12.93 |
| Jan 2025 | $3,671 | $13.30 |
| Feb 2025 | $3,207 | $11.62 |
| Mar 2025 | $3,050 | $11.05 |
| May 2026 | $1,948 | $7.06 |
| Jun 2026 | $1,887 | $6.84 |
| Jul 2026 | $1,826 | $6.62 |
| Aug 2026 | $1,826 | $6.62 |
| Sep 2026 | $1,826 | $6.62 |
| Site | Cooling | Rate | Uptime | Cost per BTC | Profit per month | All-in per unit | Year 1 return |
|---|---|---|---|---|---|---|---|
| UAE | Immersion | 6.5¢ | 99.3% | $76,262 | $6 | $3,654 | 2% |
| Nigeria | Not offered | 4.5¢ | 73.6% | — | — | — | — |
| Argentina | Not offered | 6.5¢ | 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 |
| Weight | 16 kg (approx.) |
The all-in price of the MicroBT Whatsminer M66 (276 TH/s) is about $3,654 per machine, delivered, imported, installed and hosted in UAE with a two-month hosting deposit. That is the machine itself at $1,768 ($6.41 per TH/s, the Hong Kong price) plus shipping, infrastructure, import duty, customs, setup and the deposit. It is sold out; these figures use the price it last sold for in Jul 2026.
As of Nov 1, 2026, hosted in UAE at 6.5¢/kWh, the MicroBT Whatsminer M66 (276 TH/s) is calculated to generate $0.20 daily, $6.02 monthly and $72.23 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 M66 costs about $76,262 in UAE. Bitcoin trades at $77,951, so every coin it mines is made 2% below the price of buying one.
At current bitcoin price and difficulty, the MicroBT Whatsminer M66 returns 2% 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 measures about n/a and weighs around 16 kg.
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 (6.5¢/kWh, 99.3% uptime). The bitcoin it mines goes straight to your own wallet.
The MicroBT Whatsminer M66 sold for $3,461 in Oct 2023 and $1,826 as of Sep 2026, down 47%. Over that time it ranged from $1,826 to $3,944.
MicroBT announced the MicroBT Whatsminer M66 in Oct 2023.