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$0.50 | $14.89 | $181.21 |
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-$0.23 | -$6.84 | -$83.22 |
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Contact UsCalculate NerdMiner NerdOCTAxe Rev 3.1 Hydro profitability, daily earnings, monthly revenue and long-term ROI with live Bitcoin network data. Enter your own electricity rate to see estimated returns from this 12 TH/s SHA-256 hydro miner, and review the 90-day earnings history before you buy.
NerdMiner NerdOCTAxe Rev 3.1 Hydro is manufactured by NerdMiner which operates under the SHA-256 algorithm with a maximum hashrate of 12Th/s and power consumption of 190W.
| Manufacturer | NerdMiner |
|---|---|
| Model | NerdOCTAxe Rev 3.1 Hydro |
| Chip Name | BM1370 |
| Power | 190W |
| Efficiency | 15.83j/Th |
| Noise Level | 40db |
| Interface | WiFi |
| Size | 270 x 250 x 230mm |
| Temperature | 0 - 40 °C |
| Humidity | 0 - 95 % |
| Warranty | No service or replacement coverage included |
The NerdMiner NerdOCTAxe Rev 3.1 Hydro is a SHA-256 Bitcoin miner rated at 12 TH/s with a 190 W power draw, which gives it an efficiency of 15.83 J/TH. It uses hydro cooling and weighs about 3 kg. NerdMiner announced the unit on June 4, 2026 and launched it on June 30, 2026.
The calculator on this page pulls live Bitcoin network data, so you can enter your own electricity rate and see what the miner earns per day right now. A 90-day history chart sits alongside it, letting you judge how earnings have trended before you commit to a purchase.
The NerdMiner NerdOCTAxe Rev 3.1 Hydro is a SHA-256 Bitcoin miner that produces 12 TH/s while drawing 190 W from the wall. That combination works out to an efficiency of 15.83 J/TH, and this is the number to watch when you compare machines, because a lower joules per terahash figure means less of your revenue goes to the power bill.
Cooling is hydro, meaning the unit is designed for water based cooling rather than standard air cooling, and it weighs about 3 kg, which keeps handling and installation simple.
At 190 W the machine uses about 4.6 kWh per day. That costs roughly $0.23 per day at an electricity rate of $0.05 per kWh, and roughly $0.46 per day at $0.10 per kWh. Power cost is the predictable side of the equation, while the revenue side moves with Bitcoin network conditions, so the same machine can earn different amounts from one week to the next.
To see what this means at your own rate, enter your cost per kWh in the NerdOCTAxe profitability calculator above. It combines live network data with your electricity price to show current daily results.
This is a very new machine. NerdMiner announced it on June 4, 2026 and launched it on June 30, 2026, so it is at the start of its useful life rather than the end. Even so, NerdOCTAxe Rev 3.1 Hydro profitability will rise and fall with the Bitcoin market, which is why the 90-day chart on this page is worth checking. It shows how estimated daily earnings have trended over recent months instead of a single snapshot.
Whether it makes sense for you comes down to your electricity rate. Run your own numbers through the calculator, look at the trend on the chart, and compare the 15.83 J/TH efficiency against other SHA-256 miners before deciding.
It draws 190 W, so a full day of mining uses about 4.6 kWh (190 x 24 / 1000). That costs about $0.23 per day at $0.05 per kWh and about $0.46 per day at $0.10 per kWh.
Its efficiency is 15.83 J/TH, meaning it uses about 15.83 joules of energy for each terahash of SHA-256 work. This comes from its 12 TH/s hashrate combined with a 190 W power draw.
It runs the SHA-256 algorithm and mines Bitcoin. The live calculator on this page shows current Bitcoin earnings estimates for its 12 TH/s hashrate at your electricity rate.
Divide the price shown on this page by the daily profit from the live calculator above. Daily profit moves with Bitcoin network conditions, so repeat the check at your own electricity rate before deciding.
The NerdOCTAxe Rev 3.1 Hydro draws about 190 W at the wall, which works out to roughly 4.6 kWh of electricity per day in continuous operation. That is a modest load, but like any miner that runs 24/7 it should be fed from a stable, dedicated power supply and connected to a circuit rated appropriately for a constant 190 W draw rather than shared with other heavy appliances. Because this is a hydro-cooled unit, the electrical side is only half of the installation: it also needs to be connected to a water cooling loop that carries heat away from the hashboard, so plan the plumbing alongside the wiring before you power it on.
Partly. On the electrical side it is very home-friendly: at 190 W it draws less power than many household appliances, and at 3 kg it is light enough to place almost anywhere. The complication is the cooling. The Rev 3.1 Hydro is a hydro-cooled miner, which means it must be plumbed into a water cooling loop rather than simply plugged in and switched on. That makes it a better fit for a rack, garage workbench, or other prepared space where a small loop can be installed and maintained, rather than a living room shelf. If you want a plug-and-play miner for a living area, a low-wattage air-cooled unit is the simpler choice, while high-wattage air-cooled machines sit at the other extreme and demand serious airflow and wiring. The NerdOCTAxe Rev 3.1 Hydro lands in between: easy on your electrical panel, but only practical at home if you are willing to set up and look after its water loop.
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