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MicroBT Whatsminer M31s (76 TH/s)
Outdated · Last price $1,100 all-in, delivered, installed and hosted in Nigeria · MicroBT · Air-cooled · SHA-256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 runs 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.
More on this machine: MicroBT Whatsminer M31s price history · MicroBT Whatsminer M31s profitability history
MicroBT Whatsminer M31s profitability
As of Nov 2, 2026, hosted in Nigeria at 4.5¢/kWh with 73.6% uptime. Bitcoin $77,903.
| Period | Bitcoin mined | Revenue | Electricity | Profit |
|---|---|---|---|---|
| Daily | 0.000024 BTC | $1.86 | $2.69 | -$0.83 |
| Weekly | 0.000167 BTC | $13.00 | $18.81 | -$5.81 |
| Monthly | 0.000725 BTC | $56.50 | $81.75 | -$25.25 |
| Yearly | 0.008702 BTC | $677.94 | $980.93 | -$302.99 |
Electricity per bitcoin mined: $112,720. Year 1 return: -28%.
MicroBT Whatsminer M31s price history
From $1,317 in Feb 2020 to $248 in Dec 2023 (-81%).
| Month | Price per unit | Price per TH |
|---|---|---|
| Feb 2020 | $1,317 | $17.33 |
| Mar 2020 | $1,209 | $15.91 |
| Apr 2020 | $1,376 | $18.11 |
| May 2020 | $1,269 | $16.70 |
| Jun 2020 | $1,530 | $20.13 |
| Jul 2020 | $1,456 | $19.16 |
| Aug 2020 | $1,345 | $17.70 |
| Sep 2020 | $1,501 | $19.75 |
| Oct 2020 | $1,807 | $23.77 |
| Nov 2020 | $3,125 | $41.12 |
| Dec 2020 | $4,225 | $55.59 |
| Jan 2021 | $5,103 | $67.14 |
| Feb 2021 | $6,777 | $89.17 |
| Mar 2021 | $7,237 | $95.23 |
| Apr 2021 | $4,794 | $63.08 |
| May 2021 | $3,399 | $44.72 |
| Jun 2021 | $3,765 | $49.54 |
| Jul 2021 | $5,008 | $65.89 |
| Aug 2021 | $4,967 | $65.35 |
| Sep 2021 | $5,194 | $68.34 |
| Oct 2021 | $5,731 | $75.41 |
| Nov 2021 | $5,784 | $76.10 |
| Dec 2021 | $4,468 | $58.79 |
| Jan 2022 | $4,467 | $58.77 |
| Feb 2022 | $3,799 | $49.99 |
| Mar 2022 | $3,486 | $45.87 |
| Apr 2022 | $2,806 | $36.92 |
| May 2022 | $1,770 | $23.29 |
| Jun 2022 | $1,588 | $20.90 |
| Jul 2022 | $1,528 | $20.10 |
| Aug 2022 | $1,518 | $19.98 |
| Sep 2022 | $1,262 | $16.60 |
| Oct 2022 | $899 | $11.83 |
| Nov 2022 | $767 | $10.09 |
| Dec 2022 | $691 | $9.09 |
| Jan 2023 | $727 | $9.57 |
| Feb 2023 | $679 | $8.93 |
| Mar 2023 | $667 | $8.78 |
| Apr 2023 | $694 | $9.13 |
| May 2023 | $610 | $8.02 |
| Jun 2023 | $627 | $8.25 |
| Jul 2023 | $617 | $8.12 |
| Aug 2023 | $397 | $5.22 |
| Sep 2023 | $341 | $4.49 |
| Oct 2023 | $325 | $4.28 |
| Nov 2023 | $262 | $3.45 |
| Dec 2023 | $248 | $3.26 |
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 | 6.5¢ | 99.3% | $162,818 | -$83 | $1,741 | -57% |
| Nigeria | Air-cooled | 4.5¢ | 73.6% | $112,720 | -$25 | $1,100 | -28% |
| Argentina | Air-cooled | 6.5¢ | 98.7% | $162,818 | -$83 | $1,073 | -92% |
MicroBT Whatsminer M31s specifications
| Specification | Value |
|---|---|
| Manufacturer | MicroBT |
| Model | MicroBT Whatsminer M31s |
| Release date | Feb 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 | 12.5 kg (approx.) |
MicroBT Whatsminer M31s FAQ
How much does the MicroBT Whatsminer M31s cost?
The all-in price of the MicroBT Whatsminer M31s (76 TH/s) is about $1,100 per machine, delivered, imported, installed and hosted in Nigeria with a two-month hosting deposit. That is the machine itself at $162 ($2.13 per TH/s, the Hong Kong price) plus shipping, infrastructure, import duty, customs, setup and the deposit. It is outdated with us; these figures use its market price.
Is the MicroBT Whatsminer M31s (76 TH/s) profitable?
As of Nov 2, 2026, hosted in Nigeria at 4.5¢/kWh, the MicroBT Whatsminer M31s (76 TH/s) is calculated to lose $0.83 daily, $25.25 monthly and $302.99 yearly after electricity, at a bitcoin price of $77,903. 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 $112,720 in Nigeria, and $162,818 in UAE and $162,818 in Argentina. Bitcoin trades at $77,903, 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 -92–-28% 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 12.5 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 (6.5¢/kWh, 99.3% uptime, immersion), Nigeria (4.5¢/kWh, 73.6% uptime) and Argentina (6.5¢/kWh, 98.7% uptime). The bitcoin it mines goes straight to your own wallet.
How has the price of the MicroBT Whatsminer M31s changed?
The MicroBT Whatsminer M31s sold for $1,317 in Feb 2020 and $248 as of Dec 2023, down 81%. Over that time it ranged from $248 to $7,329.
When was the MicroBT Whatsminer M31s released?
MicroBT announced the MicroBT Whatsminer M31s in Jan 2020.