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Outdated · last price $2,000 per unit · MicroBT · Air-cooled · SHA-256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 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+ profitability history
As of Sep 21, 2026, hosted in Argentina at 6.0¢/kWh with 98.7% uptime. Bitcoin $87,031.
| Period | Bitcoin mined | Revenue | Electricity | Profit |
|---|---|---|---|---|
| Daily | 0.000038 BTC | $3.29 | $5.01 | -$1.72 |
| Weekly | 0.000265 BTC | $23.04 | $35.10 | -$12.06 |
| Monthly | 0.001150 BTC | $100.12 | $152.53 | -$52.41 |
| Yearly | 0.013804 BTC | $1,201.36 | $1,830.21 | -$628.85 |
Electricity per bitcoin mined: $132,587. Year 1 return: -17%.
| Site | Cooling | Rate | Uptime | Cost per BTC | Profit per month | All-in per unit | Year 1 return |
|---|---|---|---|---|---|---|---|
| UAE | Immersion | 6.0¢ | 99.3% | $132,587 | -$53 | $4,059 | -16% |
| Nigeria | Air-cooled | 3.9¢ | 73.6% | $86,182 | $1 | $3,826 | 0% |
| Argentina | Air-cooled | 6.0¢ | 98.7% | $132,587 | -$52 | $3,809 | -17% |
| 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The MicroBT Whatsminer M31s+ (80 TH/s) is outdated with us; its market price is about $2,000 per unit ($25.00 per TH/s).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 $3,809 per machine.
As of Sep 21, 2026, hosted in Argentina at 6.0¢/kWh, the MicroBT Whatsminer M31s+ (80 TH/s) is calculated to lose $1.72 daily, $52.41 monthly and $628.85 yearly after electricity, at a bitcoin price of $87,031. It always changes with bitcoin's price and network difficulty.
Electricity to mine one bitcoin with the MicroBT Whatsminer M31s+ costs about $132,587 in Argentina, and $132,587 in UAE and $86,182 in Nigeria. Bitcoin trades at $87,031, so every coin it mines is made above the price of buying one.
At current bitcoin price and difficulty, the MicroBT Whatsminer M31s+ returns -17–0% 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 (6.0¢/kWh, 99.3% uptime, immersion), Nigeria (3.9¢/kWh, 73.6% 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.