What Is the NerdOCTAxe Rev 3.1 Hydro and Why Does It Stand Out?
The NerdOCTAxe Rev 3.1 Hydro is a compact, water-cooled Bitcoin solo miner designed for home and small-scale use. Furthermore, it is built around the SHA-256 algorithm, making it fully compatible with Bitcoin and other SHA-256 cryptocurrencies. At its core, it features 8 BM1370 chips — the same chip series found in the professional S21 Pro series. As a result, it delivers serious mining power in a surprisingly small form factor. Moreover, the Hydro variant pushes performance even further, reaching up to 13.8 TH/s at just 230W, thanks to its advanced liquid cooling system. Additionally, it runs on the open-source AxeOS firmware, which gives users full control over their settings and easy access to real-time monitoring. In short, this miner bridges the gap between hobbyist hardware and professional performance.

Hydro Cooling: Silent, Stable, and Significantly More Efficient
One of the biggest advantages of the NerdOCTAxe Rev 3.1 Hydro is, without question, its water-cooling system. Unlike traditional air-cooled miners, the Hydro variant operates far more quietly. The liquid cooling system uses a closed-loop AIO cooling block with a total heat dissipation capacity of around 200W, keeping chip temperatures consistently low. Consequently, the miner runs approximately 10°C cooler than its air-cooled counterpart. This not only improves thermal stability but also allows for more aggressive overclocking. Furthermore, liquid cooling systems are generally quiet due to reduced fan usage, making them ideal for home mining setups or office environments. Therefore, the Hydro version is especially well-suited for anyone who values a quiet, clean workspace. Overall, the thermal benefits directly translate into better uptime, longer chip lifespan, and more consistent hash rates.

Who Should Buy the NerdOCTAxe Rev 3.1 Hydro?
The NerdOCTAxe Rev 3.1 Hydro is, first and foremost, built for solo Bitcoin mining enthusiasts. Solo mining with a NerdOCTAxe is a probability game — it is more about learning, hobby fun, and lottery-style solo mining than pure industrial ROI. Nevertheless, that doesn’t make it any less exciting. On the contrary, every share submitted is a genuine chance at a full Bitcoin block reward of 3.125 BTC. Additionally, its beginner-friendly plug-and-play setup means no technical expertise is required, and it ships with the latest firmware already loaded. Moreover, its compact design fits easily on a desk or shelf without needing dedicated infrastructure or special electrical upgrades. Finally, for anyone looking to participate in the Bitcoin network from home — quietly, efficiently, and on a modest budget — the NerdOCTAxe Rev 3.1 Hydro is one of the most compelling options available in 2026.

(Shipping Time: 10-14 days for this model)

• WARRANTY (180 days) included
• Power Cable included
• Tax included

Release: June 2026
Size: 200*150*180mm
Weight: 1.1kg
Noise Level: 35db
Hashrate: 13.8Th
Power Consumption: 230W
Power Efficiency: 0.016J/Gh
Crypto Currency: BTC
Condition: New
Warranty: 180 days

NOW AVAILABLE AT MAXI MINERS