The Bitmain Antminer S21 Immersion is a cutting-edge mining device designed for the SHA-256 algorithm, delivering a powerful 300 TH/s hashing capability. With a low power consumption of 4050 watts, this miner combines performance and efficiency, making it a top choice for professional cryptocurrency mining operations.

Key Specifications:

  • Model: Antminer S21 Immersion (300Th)
  • Release Date: September 2024
  • Dimensions: 400 x 195 x 290 mm
  • Weight: 14.4 kg
  • Noise Level: 50 dB, ideal for noise-sensitive setups
  • Cooling Technology: Oil cooling for superior thermal performance and extended hardware lifespan
  • Power Consumption: 4050 W
  • Connectivity: Ethernet 10/100M for fast and stable data transfer
  • Operating Conditions: Temperature: 5-45 °C
  • Humidity: 5-95%.

 

Key Features and Advantages:

  1. High Hash Rate Performance: Provides 300 TH/s hashing power, making it an excellent solution for mining SHA-256-based cryptocurrencies like Bitcoin.
  2. Energy Efficiency: With a power draw of just 4050 watts, it ensures maximum profitability by reducing electricity costs.
  3. Advanced Oil Cooling: The immersion cooling system enhances thermal stability, reduces noise, and minimizes wear and tear for longer hardware durability.
  4. Silent Operation: Operating at only 50 dB, it is well-suited for environments requiring low noise levels.
  5. Compact and Sturdy Design: Its manageable size and robust construction make it easy to integrate into various setups.
  6. Versatile Environmental Compatibility: Built to perform reliably in diverse temperature and humidity conditions.

 

The Bitmain Antminer S21 Immersion is an ideal choice for miners seeking superior efficiency and durability. Its innovative oil-cooling technology and balanced performance make it a valuable asset for professionals looking to optimize their SHA-256 mining operations while reducing operational costs and maintenance efforts.

Shipping, Payment & Customs

Shipping: Orders are shipped within 24 hours of payment confirmation. Bulk orders may require an additional 1-2 days for processing.

Global Delivery: International shipping typically takes 7 to 10 business days, depending on the destination.

What’s Included in the Package:

  • Mining hardware.
  • Power supply unit.
  • Necessary cables and connectors.
  • Detailed user guide.

Tracking Information:
Tracking details are provided within 24 hours of payment confirmation.
Updates are sent to the customer’s registered email address.

Order Fulfillment:
Items are shipped within 24 hours after order placement and payment clearance.

Return & Refund Policy:
We offer a 30-day money-back guarantee to ensure buyer protection. If there are any issues with the order, free returns or refunds are available.

Payment Methods

  • We accept secure payments via credit/debit cards and cryptocurrencies through trusted merchants.
  • Product prices are displayed in USD, with automatic conversion to cryptocurrency at checkout for transparency and ease of use.

Benefits of Cryptocurrency Payments:

  • Speed: Transactions are completed quickly, bypassing delays typical of traditional payment systems.
  • Global Reach: Cryptocurrency allows secure payments from anywhere in the world, regardless of borders.
  • Privacy: With minimal personal information required, transactions offer enhanced privacy for our customers.

Taxes & Customs

  • We provide Delivered Duty Paid (DDP) shipping, meaning customers do not need to worry about customs taxes, ensuring a smooth and cost-effective international delivery process.
  • We guarantee a 100% delivery success rate, including to countries with restrictions on cryptocurrency mining.
  • Parcels are carefully prepared with proper documentation and authorization to ensure seamless customs clearance, minimizing delays.
  • Our dedicated customer support team is always ready to assist, ensuring a hassle-free experience and your complete satisfaction.

Warranty

  • The warranty period lasts for six months, beginning from the shipping date.
  • Each product is thoroughly tested and securely packaged prior to shipment to ensure quality.
  • During the warranty, free repair or replacement services are provided.
  • After the warranty expires, repair or replacement costs will apply.
  • Our support team offers 24/7 technical assistance throughout the miner’s entire lifespan.
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