Home / Bitcoin miners / MicroBT Whatsminer M31s+
Outdated · last price $2,000 per unit · MicroBT · Air-cooled · SHA-256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 hashes 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.
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 | 0.000039 BTC | $3.03 | $5.01 | -$1.98 |
| Weekly | 0.000274 BTC | $21.22 | $35.10 | -$13.88 |
| Monthly | 0.001192 BTC | $92.20 | $152.53 | -$60.34 |
| Yearly | 0.014301 BTC | $1,106.25 | $1,830.21 | -$723.96 |
Electricity per bitcoin mined: $127,980. Year 1 return: -18%.
| Site | Cooling | Rate | Uptime | Cost per BTC | Profit per month | All-in per unit | Year 1 return |
|---|---|---|---|---|---|---|---|
| UAE | Immersion | 6.0¢ | 99.3% | $127,980 | -$61 | $4,208 | -17% |
| Nigeria | Air-cooled | 4.0¢ | 74.7% | $85,320 | -$7 | $4,105 | -2% |
| Argentina | Air-cooled | 6.0¢ | 98.7% | $127,980 | -$60 | $3,958 | -18% |
| 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 | 13.5 kg (approx.) |
The MicroBT Whatsminer M31s+ (80 TH/s) is outdated with us; its market price is about $2,000 per unit ($25.00 per TH/s). Delivered, imported, installed and hosted in Argentina with a two-month hosting deposit, the all-in cost is about $3,958 per machine.
As of Sep 17, 2026, hosted in Argentina at 6.0¢/kWh, the MicroBT Whatsminer M31s+ (80 TH/s) is calculated to lose $1.98 daily, $60.34 monthly and $723.96 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 M31s+ costs about $127,980 in Argentina, and $127,980 in UAE and $85,320 in Nigeria. Bitcoin trades at $77,356, so every coin it mines is made above the price of buying one.
At current bitcoin price and difficulty, the MicroBT Whatsminer M31s+ returns -18–-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 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 13.5 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 (6.0¢/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 M31s+ in Aug 2020.