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

BitmainAntminer S21+

Technical specifications

Hash-rate
235
Algorithm
SHA-256
Power consumption
3564
Release year
2025
Availability
In stock
Description

Why Choose Antminer S21+?

The Bitmain Antminer S21+ stands at the forefront of modern bitcoin mining, offering a balance between hashrate, energy optimization, and long-term performance. With continuous demand for high-efficiency miners, this device sets itself apart from other models, including the Whatsminer M60S+, by combining cutting-edge chip technology with advanced cooling systems designed to ensure stability even during heavy workloads. Bitmain has designed the S21+ to maximize profitability while lowering the overall power consumption per terahash. This means miners can achieve competitive results while reducing operational costs.
Expert insight (ezblockchain.net): “The key advantage of the Bitmain Antminer S21+ is how it merges performance with efficiency. For large-scale farm setups, this balance is critical to maintaining long-term ROI in the BTC market.”

Antminer S21+ Specifications

Below is a quick look at the antminer s21+ specifications for miners who need detailed technical data before investing:
Feature Details
Model Bitmain Antminer S21+
Algorithm SHA256
Hashrate 200 TH/s (approx.)
Bitmain Antminer S21+ Power Consumption ~3500W
Chip Technology Advanced 7nm chips
Cooling Dual high-speed fans, optimized airflow
Noise Level 75 dB
Connection Ethernet
Dimension 400mm x 195mm x 290mm
Weight 15.5 kg
Suitable for Home setups and industrial farms
The S21+ achieves one of the best energy efficiencies in its class, offering around 17.5 J/TH. This positions it as a top contender for miners focused on long-term profitability.

How to Start Mining with Antminer S21+

Setting up your Bitmain Antminer S21+ is straightforward:
  1. Setup Location – Choose a well-ventilated space to maximize cooling and airflow.
  2. Network Connection – Connect the miner via Ethernet for stable data transmission.
  3. Power Supply – Ensure sufficient wattage for stable bitmain antminer s21+ power consumption.
  4. Configuration – Access the control panel through your local IP, enter your pool details, and fine-tune your settings for optimal performance.
Expert comment (ezblockchain.net): “Proper setup and environmental control are often underestimated. Miners who invest in good cooling infrastructure often see higher uptime and better BTC output.”

Estimate Time

The profitability of mining with the Bitmain Antminer S21+ depends on several factors:
  • Current BTC price and market conditions
  • Local electricity rates
  • Pool fee percentages
  • Difficulty adjustments in the blockchain
On average, with a 200 TH/s hashrate, miners can estimate ROI within 12–18 months, depending on market dynamics. Key factors to monitor:
  • Energy costs
  • BTC volatility
  • Pool reliability

Antminer S21+ Price

The antminer s21+ price varies depending on supply, demand, and global logistics. As of now, this model is positioned as a premium miner due to its efficiency, making it attractive for both new and seasoned operators. Compared with the whatsminer m60s+, the Antminer S21+ often provides slightly better performance per watt, which can be critical in regions with higher electricity prices.

Shipping

At ezblockchain.net, we provide global delivery for the Bitmain Antminer S21+. Orders are processed quickly, and shipping options are available for both standard and expedited services.
  • Secure packaging ensures safe transport.
  • Tracking is provided for all orders.
  • Customs and taxes are calculated based on the destination.

Returning Policy

We strive for full customer satisfaction. Our returning policy for the Bitmain Antminer S21+ includes:
  • 14-day return window from the date of delivery.
  • Only unused miners in original packaging are accepted.
  • Refunds are processed once the item is inspected.
This ensures transparency and confidence in every purchase.

Warranty

Each Bitmain Antminer S21+ unit comes with a 12-month manufacturer warranty covering major hardware issues. In addition:
  • Warranty does not cover damage from poor setup, overclocking, or improper cooling.
  • ezblockchain.net provides direct support and guidance for troubleshooting.
  • Replacement parts may be provided in case of verified defects.
This warranty gives miners peace of mind, ensuring their investment is protected. The Bitmain Antminer S21+ is more than just another asic miner. It represents a step forward in efficient SHA256 mining, combining performance, low energy usage, and strong durability. Whether you are running a small home setup or a large-scale farm, this unit has the power to help maximize your BTC output. If you are looking for an advanced solution, explore the antminer s21+ price, compare the antminer s21+ specifications, and consider how this model could fit into your mining strategy.
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KEY ADVANTAGES

Unmatched Hashrate & Efficiency

Delivers up to 235 TH/s on the SHA-256 algorithm, providing top-level Bitcoin mining performance while maximizing profitability.

Next-Gen Cooling System

Advanced thermal design and four high-speed fans prevent overheating and ensure stable 24/7 operation.

Ultra-Quiet & Dust-Reduced Mining

Engineered for low noise and minimal dust accumulation, making it suitable for home setups and professional mining farms alike.

Extended Hardware Longevity

Durable components and efficient heat management extend the miner’s lifespan, maintaining consistent performance over the years.

Lower Power Consumption

Consumes around 3564–3850 W, optimized for one of the best hashrate-to-power ratios in its class.

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 performance and profitability — the best upgrade yet.
Michael T.
starstarstarstarstar
Reliable and stable — perfect for expanding our mining farm.
Isabella M.
starstarstarstarstar
Excellent ROI and effortless setup — one of the best miners we’ve used.
Oliver T.

OTHER ASICS

ASIC Image
Bitmain
Antminer S21
$3,700.00
Hash-rate 200 TH/s
Algorithm
SHA-256
Power consumption
3551
Release year
2023
ASIC Image
Bitmain Antminer S21
$3,700.00
Hash-rate
200 TH/s
Algorithm
SHA-256
Power consumption
3551
Release year
2023
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
$6,850.00
Hash-rate 270 TH/s
Algorithm
SHA-256
Power consumption
3645
Release year
2025
ASIC Image
Bitmain Antminer S21 XP
$6,850.00
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
$4,650.00
Hash-rate 234 TH/s
Algorithm
SHA-256
Power consumption
3510
Release year
2025
ASIC Image
Bitmain Antminer S21 Pro
$4,650.00
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
$7,300.00
Hash-rate 0.016 TH/s
Algorithm
Scrypt
Power consumption
3360
Release year
2025
ASIC Image
Bitmain Antminer L9
$7,300.00
Hash-rate
0.016 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 algorithm does the Antminer S21+ use?

It uses the SHA-256 algorithm, optimized for Bitcoin mining.

What is the hashrate of the S21+?

The hashrate ranges from 216 TH/s to 235 TH/s, depending on the specific model.

How much power does it consume?

Power consumption varies between 3564 W and 3850 W, depending on the model.

Is it suitable for home mining?

Yes, with proper ventilation and cooling, although it performs best in professional mining setups.

Does it include a built-in controller?

Yes, the S21+ has an integrated controller and power supply for plug-and-play operation.

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