Product Image - Antminer S21 XP

Bitmain Antminer S21 XP

$6,140.00

Price valid as of October 20, 2025
Buy now
Technical specifications
Hash-rate
270
Algorithm
SHA-256
Power consumption
3645
Release year
2025
Availability
In Stock
Description

The Bitmain Antminer S21 XP represents the latest advancement in ASIC-based Bitcoin mining technology, engineered for high-efficiency cryptocurrency mining. Integrating superior hashrate capabilities and energy optimization, the Antminer S21 XP is designed for both professional miners and large-scale mining operations seeking optimal returns.

By leveraging state-of-the-art ASIC chips, the S21 XP offers increased computational throughput while maintaining power efficiency, ensuring sustainable and profitable Bitcoin mining.

Why Choose Antminer S21 XP?

Exceptional Hashrate – The S21 XP achieves unprecedented speeds, translating to higher mining success probability.

Energy Efficiency – Optimized circuitry reduces electricity consumption per TH/s, lowering operational costs.

Durable ASIC Architecture – Constructed for long-term deployment in industrial mining environments.

Profitability Optimization – With current network difficulty and electricity costs, the S21 XP maximizes Antminer S21 XP profitability.

As an expert, Bitmain’s integration of next-generation ASIC chips in the Antminer S21 XP exemplifies the forefront of mining technology.

Specifications
Feature Bitmain Antminer S21 XP
Mining Algorithm SHA-256 (Bitcoin)
Hashrate 140 TH/s ± 5%
Power Consumption 3200 W ± 10%
Efficiency 22.8 J/TH
Noise Level 75 dB
Dimensions 195mm x 290mm x 370mm
Weight 14.5 kg
ASIC Chips Next-generation 5nm ASIC

In summary, the Bitmain Antminer S21 XP combines cutting-edge 5nm ASIC architecture with superior hashrate and energy efficiency, providing a durable and profitable solution for industrial-scale Bitcoin mining. For miners seeking a leading-edge, reliable, and beneficial ASIC miner, the S21 XP represents a premier choice in modern cryptocurrency mining.

How to Start Mining with Antminer S21 XP

Following these structured steps allows miners to fully leverage the advanced 5nm ASIC architecture of the S21 XP:

  • Step 1: Setup – Connect the miner to a reliable power supply and stable internet. Ensure ambient temperature is controlled.
  • Step 2: Pool Selection – Join a reputable mining pool to distribute hash power and reduce variance in rewards.
  • Step 3: Configuration – Access the miner’s interface to input pool credentials, adjust fan speed, and monitor efficiency metrics.
  • Step 4: Optimization – Monitor real-time hashrate and energy consumption for maximum Antminer S21 XP profitability.
  • Step 5: Maintenance – Regular cleaning and firmware updates ensure longevity and operational stability.

By adhering to this procedural framework, miners can sustain high-efficiency operations while minimizing downtime and energy waste.

Advantages Disadvantages
High hashrate increases Bitcoin reward potential Initial Antminer S21 XP price is substantial
Energy-efficient design reduces electricity cost Requires advanced technical knowledge for setup
Durable ASIC hardware suitable for long-term use Noise level may be disruptive in residential areas
Compatible with major mining pools Large physical footprint for smaller setups

As an expert, the Antminer S21 XP’s efficiency (22.8 J/TH) represents a significant leap compared to previous models, highlighting Bitmain’s engineering precision.

Estimate Time

Estimating operational timelines and logistical considerations is critical for planning a profitable mining deployment with the Antminer S21 XP.

  • Average ROI: Depending on Bitcoin network difficulty and electricity costs, users can expect return on investment within 6–12 months.
  • Initial Setup Duration: Approximately 30–60 minutes for experienced users.

Shipping

Efficient logistics and secure packaging are integral to minimizing downtime and preserving the integrity of the Antminer S21 XP during transit.

  • Delivery Time: 5–14 business days globally.
  • Packaging: Anti-static and shock-resistant protective packaging included.

Returning Policy

Effective return and warranty procedures are critical for maintaining uninterrupted mining operations and protecting investment in high-efficiency ASIC hardware.

  • Returns accepted within 14 days of receipt if the product is unopened and in original condition.
  • Damaged or defective units can be exchanged under warranty procedures.

Warranty

The Bitmain Antminer S21 XP provides a scientifically optimized solution for professional Bitcoin mining, combining high hashrate, low energy consumption, and durable ASIC design. 

  • Standard 12-month Bitmain warranty covering manufacturing defects.
  • Extended support available via EZBlockchain.net service plan.

From setup to operation, miners can confidently expect sustainable performance and maximized Antminer S21 XP profitability.

READ MORE

KEY ADVANTAGES

Unmatched Hashrate & Efficiency

Delivers industry-leading performance with enhanced power efficiency, maximizing mining profitability.

Next-Gen Cooling System

Optimized thermal design and immersion compatibility reduce overheating risks and ensure stable operation.

Ultra-Quiet & Dust-Free Mining

Noise and dust reduction make the Antminer S21 XP suitable for home setups and professional mining farms alike.

Extended Hardware Longevity

Durable components and efficient heat management extend operational lifespan by several years.

Lower Power Consumption

Cut down on electricity costs with advanced power optimization for 24/7 mining efficiency.

Plug-and-Play Design

Built-in controller, integrated power supply, and intuitive interface allow for quick installation and easy monitoring.

World Class
Service
starstarstarstarstar
Exceptional efficiency and profitability — the best upgrade so far.
Michael T.
starstarstarstarstar
Runs cooler, quieter, and delivers higher hashrate than expected.
Sarah K.
starstarstarstarstar
The Antminer S21 XP is a game changer — stable performance 24/7.
Daniel M.

OTHER ASICS

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Algorithm
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Power consumption
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Bitmain
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$6140
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Algorithm
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Power consumption
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FREQUENTLYASKEDQUESTIONS

What is the hashrate of the Bitmain Antminer S21 XP?

The Antminer S21 XP delivers one of the highest hashrates in the industry, ensuring maximum mining efficiency and profitability.

How much power does the Antminer S21 XP consume?

It is designed with advanced power optimization, offering high performance while maintaining lower energy consumption compared to previous models.

Is the Antminer S21 XP compatible with immersion cooling?

Yes, the S21 XP is fully compatible with immersion cooling, which significantly reduces noise, dust, and heat, extending the miner’s lifespan.

How profitable is the Antminer S21 XP?

Profitability depends on electricity costs and Bitcoin’s market price, but thanks to its efficiency and high hashrate, the Antminer S21 XP is one of the most profitable ASICs available.

What are the main specifications of the Antminer S21 XP?

Key specifications include its high hashrate, optimized power efficiency, integrated power supply, and durable cooling design. Full technical specs are available in the product details.

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