Home / Bitcoin miners / MicroBT Whatsminer M31s+
Outdated · Last price $3,407 all-in, delivered, installed and hosted in Nigeria · MicroBT · Air-cooled · SHA-256
The MicroBT Whatsminer M31s+ (80 TH/s) is a air-cooled SHA-256 bitcoin ASIC miner from MicroBT released in Aug 2020. It runs at 80 TH/s while drawing 3,360 W, an efficiency of 42 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
Part of the MicroBT Whatsminer M31s line: MicroBT Whatsminer M31s price, hosting and 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 | 0.000025 BTC | $1.96 | $2.80 | -$0.85 |
| Weekly | 0.000176 BTC | $13.69 | $19.63 | -$5.94 |
| Monthly | 0.000763 BTC | $59.48 | $85.31 | -$25.83 |
| Yearly | 0.009160 BTC | $713.62 | $1,023.58 | -$309.96 |
Electricity per bitcoin mined: $111,740. Year 1 return: -9%.
From $1,416 in Aug 2020 to $261 in Dec 2023 (-82%).
| Month | Price per unit | Price per TH |
|---|---|---|
| Aug 2020 | $1,416 | $17.70 |
| Sep 2020 | $1,580 | $19.75 |
| Oct 2020 | $1,902 | $23.77 |
| Nov 2020 | $3,290 | $41.12 |
| Dec 2020 | $4,447 | $55.59 |
| Jan 2021 | $5,371 | $67.14 |
| Feb 2021 | $7,134 | $89.17 |
| Mar 2021 | $7,618 | $95.23 |
| Apr 2021 | $5,046 | $63.08 |
| May 2021 | $3,578 | $44.72 |
| Jun 2021 | $3,963 | $49.54 |
| Jul 2021 | $5,271 | $65.89 |
| Aug 2021 | $5,228 | $65.35 |
| Sep 2021 | $5,467 | $68.34 |
| Oct 2021 | $6,033 | $75.41 |
| Nov 2021 | $6,088 | $76.10 |
| Dec 2021 | $4,703 | $58.79 |
| Jan 2022 | $4,702 | $58.77 |
| Feb 2022 | $3,999 | $49.99 |
| Mar 2022 | $3,670 | $45.87 |
| Apr 2022 | $2,954 | $36.92 |
| May 2022 | $1,863 | $23.29 |
| Jun 2022 | $1,672 | $20.90 |
| Jul 2022 | $1,608 | $20.10 |
| Aug 2022 | $1,598 | $19.98 |
| Sep 2022 | $1,328 | $16.60 |
| Oct 2022 | $946 | $11.83 |
| Nov 2022 | $807 | $10.09 |
| Dec 2022 | $727 | $9.09 |
| Jan 2023 | $766 | $9.57 |
| Feb 2023 | $714 | $8.93 |
| Mar 2023 | $702 | $8.78 |
| Apr 2023 | $730 | $9.13 |
| May 2023 | $642 | $8.02 |
| Jun 2023 | $660 | $8.25 |
| Jul 2023 | $650 | $8.12 |
| Aug 2023 | $418 | $5.22 |
| Sep 2023 | $359 | $4.49 |
| Oct 2023 | $342 | $4.28 |
| Nov 2023 | $276 | $3.45 |
| Dec 2023 | $261 | $3.26 |
| Site | Cooling | Rate | Uptime | Cost per BTC | Profit per month | All-in per unit | Year 1 return |
|---|---|---|---|---|---|---|---|
| UAE | Immersion | 6.5¢ | 99.3% | $161,402 | -$86 | $3,685 | -28% |
| Nigeria | Air-cooled | 4.5¢ | 73.6% | $111,740 | -$26 | $3,407 | -9% |
| Argentina | Air-cooled | 6.5¢ | 98.7% | $161,402 | -$85 | $3,385 | -30% |
| Specification | Value |
|---|---|
| Manufacturer | MicroBT |
| Model | MicroBT Whatsminer M31s+ |
| Release date | Aug 2020 |
| Algorithm | SHA-256 |
| Hashrate | 80 TH/s |
| Power consumption | 3360 W |
| Efficiency | 42 J/TH |
| Cooling | Air-cooled |
| Dimensions | 430 x 155 x 226 mm (approx.) |
| Weight | 11.5 kg (approx.) |
The all-in price of the MicroBT Whatsminer M31s+ (80 TH/s) is about $3,407 per machine, delivered, imported, installed and hosted in Nigeria with a two-month hosting deposit. That is the machine itself at $2,000 ($25.00 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.
As of Nov 2, 2026, hosted in Nigeria at 4.5¢/kWh, the MicroBT Whatsminer M31s+ (80 TH/s) is calculated to lose $0.85 daily, $25.83 monthly and $309.96 yearly after electricity, at a bitcoin price of $77,903. It always changes with bitcoin's price and network difficulty.
Electricity to mine one bitcoin with the MicroBT Whatsminer M31s+ costs about $111,740 in Nigeria, and $161,402 in UAE and $161,402 in Argentina. Bitcoin trades at $77,903, so every coin it mines is made above the price of buying one.
At current bitcoin price and difficulty, the MicroBT Whatsminer M31s+ returns -30–-9% 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 M31s+ produces 80 TH/s of SHA-256 hashrate and consumes 3,360 W, giving an efficiency of 42 J/TH.
The MicroBT Whatsminer M31s+ measures about 430 x 155 x 226 mm and weighs around 11.5 kg.
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.
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.
The MicroBT Whatsminer M31s+ sold for $1,416 in Aug 2020 and $261 as of Dec 2023, down 82%. Over that time it ranged from $261 to $7,714.
MicroBT announced the MicroBT Whatsminer M31s+ in Aug 2020.