Description

The Antminer S23 Hydro 3U (also written as S23 Hyd 3U) is a high-performance ASIC (Application-Specific Integrated Circuit) miner made by Bitmain, designed primarily for mining cryptocurrencies using the SHA-256 algorithm (e.g. Bitcoin, Bitcoin Cash). It uses hydro-cooling (liquid cooling) to manage temperatures, offering better efficiency than air-cooled machines of similar output.

What Makes It Stand Out

• Very High Hashrate: At ~1.16 PH/s, this is among the top-tier hydro-cooled miners from Bitmain and significantly more powerful than earlier 3U models.

• Energy Efficiency: 9.5 J/TH means each terahash of hashing power uses less electricity, which is attractive when power costs are high. Lower power cost per hash improves profitability.

• Hydro-Cooling Advantage: Liquid cooling keeps temperatures stable under heavy load, which helps in maintaining performance, reducing failures, and extending hardware lifespan compared to air-cooling.

• Rack Integration: The 3U form factor allows easier installation in mining farms / data centers that use rack systems. Its relatively quieter operation (for this class) is also a plus in controlled environments.

Considerations & Drawbacks

• High Power Demand: 11,020 W is a lot. To run this machine you’ll need robust infrastructure: high voltage supply (likely three-phase), capable cooling systems, and reliable power backup. Home setups typically won’t support this.

• Cooling System Complexity: Hydro-cooling systems require maintenance (coolant purity, flow rates, pressure, etc.). If coolant isn’t maintained well, it can lead to issues.

• Upfront Cost: The machine is expensive both in purchase price and in ongoing operational costs (electricity, maintenance).

• Suitability: This kind of miner is best suited to industrial / large-scale mining operations. Small-scale or hobby miners often cannot fully leverage its capacity.

Expected Performance & Profitability

• Based on some listings, daily revenue estimates (before power costs) can be in the range of $90-95/day depending on electricity costs, mining difficulty, Bitcoin price, etc.

• ROI (return on investment) might take 8-13 months under favorable conditions (good electricity rate, stable operations).

• Power cost assumptions matter hugely. If electricity is expensive, profitability can drop or even go negative.

• Specifications

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  Manufacturer	Bitmain
  Model	Antminer S23 Hyd 3U
  Also known as	U3S23Hyd
  Release	Jan 2026
  Size	900 x 486 x 132mm
  Noise level	50dB
  Power	11020W
  Interface	Ethernet
  Temperature	5 – 45 °C
  Humidity	5 – 95 %