Bitmain Antminer S21 Hyd 335T | Unistar

Model: 335T
Sale price$5,653.00 USD

* The actual quotation price may vary according to the market. Display price for reference only. 

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The Antminer S21 Hyd 335T is a water-cooled Bitcoin mining machine developed by Bitmain. Here are some key features:

  1. Efficient Water Cooling System: Unlike traditional air-cooled mining rigs, the S21 Hyd 335T utilizes an advanced water cooling system, which effectively reduces the operating temperature of the machine. This technology efficiently absorbs and dissipates heat, ensuring stable operation over extended periods.

  2. High Hash Rate: With a hash rate of 335 terahashes per second (TH/s), it stands as one of the most powerful water-cooled Bitcoin mining machines on the market. This high hash rate enhances mining efficiency, allowing miners to acquire Bitcoin rewards more rapidly.

  3. Energy Efficiency: The water cooling system not only improves heat dissipation but also reduces energy consumption compared to traditional air-cooled machines. The S21 Hyd 335T maintains high performance while minimizing energy usage, contributing to lower operational costs and reduced carbon emissions.

  4. Stability and Reliability: As a flagship product of Bitmain, the S21 Hyd 335T undergoes stringent quality control and testing to ensure stability and reliability under continuous mining operations and high workloads. The water cooling system enhances stability and helps reduce maintenance costs.

  5. User-Friendly Design: The S21 Hyd 335T features an intuitive user interface and easy-to-operate control panel, allowing miners to monitor and manage mining activities effortlessly. Additionally, it supports remote management and monitoring, enabling users to oversee their mining operations remotely.

In summary, the Antminer S21 Hyd 335T is a high-performance, energy-efficient, stable, and reliable water-cooled Bitcoin mining machine suitable for various mining scenarios. It provides miners with a powerful tool for efficient Bitcoin mining.

Product Glance  
Model S21 Hyd.
Algorithm | Cryptocurrency SHA256 | BTC/BCH/BSV
Hashrate, TH/s(1-1) 335
Power on wall @35°C(1-2), Watt(1-1) 5360
Power efficiency on wall @35°C(1-2), J/TH(1-1) 16.0
Detailed Characteristics    
Power Supply    
Power supply AC Input voltage, Volt(2-1) 380~415V AC  
Power supply AC Input Frequency Range, Hz 50~60  
Power supply AC Input current, Amp(2-2) 12  
Hardware Configuration    
Networking connection mode RJ45 Ethernet 10/100M  
Miner Size (Length*Width*Height, w/o package),mm 339*163*207  
Miner Size (Length*Width*Height, with package),mm 570*316*430  
Net weight, kg 12.3  
Gross weight, kg 13.6  
Environment Requirements    
Inlet water temperature, °C







Water flow, L/min 8.0~10.0
Water pressure bar ≤3.5
Working fluid(2-4) Deionized water/Pure water
Liquid PH 8.5~9.5
Diameter of water pipe connector, mm DN10
Storage temperature, °C -20~70
Operation humidity(non-condensing), RH 10~90%


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