Antminer S21 XP
Powerful hardware. Expert setup.
100% uptime infrastructure.
ASIC Image

BitmainAntminer S21 XP

Technical specifications

Hash-rate
270
Algorithm
SHA-256
Power consumption
3645
Release year
2025
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

ASIC Image
Bitmain
Antminer S21
$3,800.00
Hash-rate 200 TH/s
Algorithm
SHA-256
Power consumption
3551
Release year
2025
ASIC Image
Bitmain Antminer S21
$3,800.00
Hash-rate
200 TH/s
Algorithm
SHA-256
Power consumption
3551
Release year
2025
Description

WithAntminer S21, profitabilityfrom mining becomes tangible and easily achievable. One of the latest entries in the Bitmain ASICs series, S21 is a beast of a mining setup, both powerful and flexible. It is a great, balanced entry point for new miners and a highly-efficient hardware addition or replacement for existing operations.

Current Bitmain Antminer S21 price: $4,200
Why Choose Antminer S21?
The Bitmain Antminer S21 is a state-of-art ASIC miner designed for SHA-256 algorithm cryptocurrencies like Bitcoin. With a hash rate of up to 195 TH/s and power consumption of 3500W, it offers an outstanding energy efficiency of 17 J/TH.

The Antminer S21 is designed for continuous operation, maximized uptime, and active profitability. With its high hash rate threshold, users can expect peak mining performance. Depending on network difficulty and electricity costs, Antminer S21 can help achieve highly profitable margins.

Bitmain Antminer S21 specifications:

High performance: Delivers a robust 195 TH/s hash rate at peak performance.
Energy efficiency: Consumes 3500W, optimizing electricity usage.
Compact design: Measures 400mm x 195mm x 290mm, fitting easily into any setup.
Durable build: Weighs 15.4 kg, keeping stable during operation.
Optimal operating conditions: Functions best between 0–45°C with 10–90% humidity.
How to Start Mining with Antminer S21?
It is fairly easy to install and start using a newly-purchased Antminer S21 even withoutEZ Blockchain’s assistance:

Unbox and inspect: Check that all components are present and undamaged.
Connect to power: Use a compatible power supply unit (PSU) to connect the miner to a 220~277V AC outlet.
Set up network: Connect the miner to the internet via an RJ45 Ethernet cable.
Access miner interface: Use a web browser to enter the miner’s IP address and access the configuration page.
Configure mining pool: Input your preferred mining pool details and wallet address.
Start mining: Save settings and begin the mining process.
Useful: Running the miner in stock configuration for a few hours before immersion cooling ensures all systems operate correctly, preventing potential damage during fluid immersions.

Important: The S21 model’s single power cord design simplifies electrical connections compared to older models, but high current requirements still mandate professional electrical inspection for safety

Delivery Time
Your newly-placed order for an ASIC miner takes 7–14 business to arrive, depending on the stock situation and your location. We provide a tracking number which you can use to watch the shipping process in real time and get updates on each milestone.

Shipping
We offer international shipping via big trusted couriers. Shipping costs may vary based on destination and package weight. For detailed shipping options and costs, pleasecontact EZ Blockchain’s support.

Return policy
All sales of the Antminer S21 are final and non-refundable. We advise customers to review their orders carefully before purchase. For more details, consult Bitmain’s terms and conditions.

Warranty
The Antminer S21 comes with a 365-day warranty, which allows addressing manufacturing defects in up to a year from the official shipment date. Customers can check their warranty status by entering the miner’s serial number on Bitmain’s warranty check page.

Got more questions? EZ Blockchain will help you find your best-fitting configuration of theAntminer S21 for sale, assist with its full setup, and support you further, every step of the way.

ASIC Image
Bitmain
Antminer S21 XP
$7,150.00
Hash-rate 270 TH/s
Algorithm
SHA-256
Power consumption
3645
Release year
2025
ASIC Image
Bitmain Antminer S21 XP
$7,150.00
Hash-rate
270 TH/s
Algorithm
SHA-256
Power consumption
3645
Release year
2025
Description

The Bitmain Antminer S21 XP is a cutting-edge Bitcoin (BTC) mining device, designed for maximum efficiency and performance. It utilizes advanced SHA-256 ASIC chips, delivering a high hash rate of up to 270 TH/s, making it one of the most powerful miners on the market.

Equipped with a built-in controller and an intuitive user interface, the S21 XP ensures easy setup and seamless monitoring. Its integrated power supply unit eliminates the need for an external power source, while its enhanced cooling system maintains optimal temperature and stability, even under high workloads.

Mining profitability depends on factors such as Bitcoin price, network difficulty, and electricity costs. It is essential to evaluate these variables and calculate potential expenses before investing in mining hardware.

ASIC Image
Bitmain
Antminer S21 Pro
$4,900.00
Hash-rate 234 TH/s
Algorithm
SHA-256
Power consumption
3510
Release year
2025
ASIC Image
Bitmain Antminer S21 Pro
$4,900.00
Hash-rate
234 TH/s
Algorithm
SHA-256
Power consumption
3510
Release year
2025
Description

The Bitmain Antminer S21 Pro is a high-performance Bitcoin (BTC) mining device, engineered for maximum efficiency and profitability. It utilizes advanced SHA-256 ASIC chips, delivering a hash rate of up to 234 TH/s, making it one of the most powerful miners available.

Designed for ease of use and durability, the Antminer S21 Pro features a built-in controller and a user-friendly interface, ensuring smooth setup and monitoring. Its integrated power supply unit eliminates the need for external power sources, while its advanced cooling system maintains stable temperatures even under heavy workloads.

Mining profitability with the Antminer S21 Pro depends on Bitcoin price, network difficulty, and electricity costs. To maximize returns, it is crucial to analyze these factors and calculate operating expenses before investing in mining hardware.

ASIC Image
Bitmain
Antminer L9
$7,700.00
Hash-rate 14 TH/s
Algorithm
Scrypt
Power consumption
3360
Release year
2025
ASIC Image
Bitmain Antminer L9
$7,700.00
Hash-rate
14 TH/s
Algorithm
Scrypt
Power consumption
3360
Release year
2025
Description

The Bitmain Antminer L9 is a high-performance Litecoin (LTC) and Dogecoin (DOGE) mining device, designed for maximum efficiency and profitability. It utilizes advanced Scrypt ASIC chips, delivering a hash rate of up to 16 TH/s, making it one of the most powerful Scrypt miners available.

Engineered for ease of use and durability, the Antminer L9 features a built-in controller and an intuitive user interface, ensuring smooth setup and real-time monitoring. Its integrated power supply unit eliminates the need for external power sources, while its enhanced cooling system maintains optimal temperature and stability during intensive mining operations.

Mining profitability with the Antminer L9 depends on Litecoin and Dogecoin market prices, network difficulty, and electricity costs. Conducting a thorough cost analysis and evaluating mining conditions is essential before investing in this hardware.

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.

INTERESTED TO REQUEST A VIRTUAL TOUR OR LEARN MORE?
little-secret-ezblockchain