Home / Bitcoin miners / MicroBT Whatsminer M3X
Outdated · MicroBT · Air-cooled · SHA-256
The MicroBT Whatsminer M3X (12.5 TH/s) is a air-cooled SHA-256 bitcoin ASIC miner from MicroBT released in Mar 2018. It hashes at 12.5 TH/s while drawing 2,050 W, an efficiency of 164 J/TH. It is more than five years old and no longer competitive; the figures below are kept for reference.
As of Sep 17, 2026, hosted in Argentina at 6.0¢/kWh with 98.7% uptime. Bitcoin $77,356.
| Period | Bitcoin mined | Revenue | Electricity | Profit |
|---|---|---|---|---|
| Daily | 0.000006 BTC | $0.47 | $3.06 | -$2.59 |
| Weekly | 0.000043 BTC | $3.31 | $21.42 | -$18.10 |
| Monthly | 0.000186 BTC | $14.41 | $93.06 | -$78.66 |
| Yearly | 0.002234 BTC | $172.85 | $1,116.65 | -$943.80 |
Electricity per bitcoin mined: $499,731.
| Site | Cooling | Rate | Uptime | Cost per BTC | Profit per month | All-in per unit | Year 1 return |
|---|---|---|---|---|---|---|---|
| UAE | Immersion | 6.0¢ | 99.3% | $499,731 | -$79 | — | — |
| Nigeria | Air-cooled | 4.0¢ | 74.7% | $333,154 | -$36 | — | — |
| Argentina | Air-cooled | 6.0¢ | 98.7% | $499,731 | -$79 | — | — |
| Specification | Value |
|---|---|
| Manufacturer | MicroBT |
| Model | MicroBT Whatsminer M3X |
| Release date | Mar 2018 |
| Algorithm | SHA-256 |
| Hashrate | 12.5 TH/s |
| Power consumption | 2050 W |
| Efficiency | 164 J/TH |
| Cooling | Air-cooled |
| Dimensions | 430 x 155 x 226 mm (approx.) |
| Weight | 13.5 kg (approx.) |
The MicroBT Whatsminer M3X is outdated. Newer models make bitcoin far more cheaply.
As of Sep 17, 2026, hosted in Argentina at 6.0¢/kWh, the MicroBT Whatsminer M3X (12.5 TH/s) is calculated to lose $2.59 daily, $78.66 monthly and $943.80 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 M3X costs about $499,731 in Argentina, and $499,731 in UAE and $333,154 in Nigeria. Bitcoin trades at $77,356, so every coin it mines is made above the price of buying one.
The MicroBT Whatsminer M3X produces 12.5 TH/s of SHA-256 hashrate and consumes 2,050 W, giving an efficiency of 164 J/TH.
The MicroBT Whatsminer M3X measures about 430 x 155 x 226 mm and weighs around 13.5 kg.
The MicroBT Whatsminer M3X is air-cooled with fans. In the UAE we run air-cooled machines in immersion tanks instead, which keeps them cool in desert heat.
We can host the MicroBT Whatsminer M3X in UAE (6.0¢/kWh, 99.3% uptime, immersion), Nigeria (4.0¢/kWh, 74.7% uptime) and Argentina (6.0¢/kWh, 98.7% uptime). The bitcoin it mines goes straight to your own wallet.
MicroBT announced the MicroBT Whatsminer M3X in Mar 2018.