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MicroBT Whatsminer M31s (76 TH/s)
Outdated · last price $162 per unit · MicroBT · Air-cooled · SHA-256
The MicroBT Whatsminer M31s (76 TH/s) is a air-cooled SHA-256 bitcoin ASIC miner from MicroBT released in Jan 2020. It hashes at 76 TH/s while drawing 3,220 W, an efficiency of 42.37 J/TH. It is more than five years old and no longer competitive; the figures below are kept for reference.
MicroBT Whatsminer M31s profitability
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 | 0.000037 BTC | $2.88 | $4.81 | -$1.93 |
| Weekly | 0.000261 BTC | $20.15 | $33.64 | -$13.48 |
| Monthly | 0.001132 BTC | $87.59 | $146.18 | -$58.59 |
| Yearly | 0.013586 BTC | $1,050.94 | $1,753.95 | -$703.02 |
Electricity per bitcoin mined: $129,103. Year 1 return: -48%.
Where to host the MicroBT Whatsminer M31s
| Site | Cooling | Rate | Uptime | Cost per BTC | Profit per month | All-in per unit | Year 1 return |
|---|---|---|---|---|---|---|---|
| UAE | Immersion | 6.0¢ | 99.3% | $129,103 | -$59 | $2,173 | -33% |
| Nigeria | Air-cooled | 4.0¢ | 74.7% | $86,068 | -$7 | $1,615 | -6% |
| Argentina | Air-cooled | 6.0¢ | 98.7% | $129,103 | -$59 | $1,464 | -48% |
MicroBT Whatsminer M31s specifications
| Specification | Value |
|---|---|
| Manufacturer | MicroBT |
| Model | MicroBT Whatsminer M31s |
| Release date | Jan 2020 |
| Algorithm | SHA-256 |
| Hashrate | 76 TH/s |
| Power consumption | 3220 W |
| Efficiency | 42.37 J/TH |
| Cooling | Air-cooled |
| Dimensions | 430 x 155 x 226 mm (approx.) |
| Weight | 13.5 kg (approx.) |
MicroBT Whatsminer M31s FAQ
How much does the MicroBT Whatsminer M31s cost?
The MicroBT Whatsminer M31s (76 TH/s) is outdated with us; its market price is about $162 per unit ($2.13 per TH/s). Delivered, imported, installed and hosted in Argentina with a two-month hosting deposit, the all-in cost is about $1,464 per machine.
Is the MicroBT Whatsminer M31s (76 TH/s) profitable?
As of Sep 17, 2026, hosted in Argentina at 6.0¢/kWh, the MicroBT Whatsminer M31s (76 TH/s) is calculated to lose $1.93 daily, $58.59 monthly and $703.02 yearly after electricity, at a bitcoin price of $77,356. It always changes with bitcoin's price and network difficulty.
What does it cost to mine one bitcoin with the MicroBT Whatsminer M31s?
Electricity to mine one bitcoin with the MicroBT Whatsminer M31s costs about $129,103 in Argentina, and $129,103 in UAE and $86,068 in Nigeria. Bitcoin trades at $77,356, so every coin it mines is made above the price of buying one.
What is the year 1 return of the MicroBT Whatsminer M31s?
At current bitcoin price and difficulty, the MicroBT Whatsminer M31s returns -48–-6% 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.
What is the hashrate and power consumption of the MicroBT Whatsminer M31s?
The MicroBT Whatsminer M31s produces 76 TH/s of SHA-256 hashrate and consumes 3,220 W, giving an efficiency of 42.37 J/TH.
What are the dimensions and weight of the MicroBT Whatsminer M31s?
The MicroBT Whatsminer M31s measures about 430 x 155 x 226 mm and weighs around 13.5 kg.
Is the MicroBT Whatsminer M31s air-cooled or hydro-cooled?
The MicroBT Whatsminer M31s is air-cooled with fans. In the UAE we run air-cooled machines in immersion tanks instead, which keeps them cool in desert heat.
Where can the MicroBT Whatsminer M31s be hosted?
We can host the MicroBT Whatsminer M31s 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.
When was the MicroBT Whatsminer M31s released?
MicroBT announced the MicroBT Whatsminer M31s in Jan 2020.