Antminer K7
Powerful hardware. Expert setup.
100% uptime infrastructure.
ASIC Image
Antminer K7

BitmainAntminer K7

Technical specifications

Hash-rate
63.5
Algorithm
Eaglesong
Power consumption
3080
Release year
2022
Description
The Bitmain Antminer K7 represents a high-performance ASIC miner optimized for cryptocurrency mining, specifically designed for the Ethash algorithm. This miner combines advanced hashrate capabilities with efficient power consumption, maximizing operational profitability in Ethereum and other compatible digital assets. Engineered for industrial and professional applications, the Antminer K7 ensures reliable supply of computational power, enabling users to maintain continuous mining operations with minimized downtime.

Why Choose Antminer K7?

The Antminer K7 offers a unique balance of hashrate efficiency and energy-conscious design, making it a preferred choice for professional miners. Key advantages include:
  • High Computational Output – The Antminer K7 delivers superior hashrate, accelerating block validation for Ethereum mining.
  • Energy Efficiency – Advanced thermal management reduces power consumption, enhancing Antminer K7 profitability.
  • Durability and Reliability – Industrial-grade components ensure long-term stability under continuous operation.
  • Scalability – Compatible with multi-unit setups, making it ideal for mining farms and large-scale operations.
As an expert, the Antminer K7 demonstrates how high-efficiency ASICs can achieve substantial mining returns while minimizing electrical costs, which is critical for sustainable cryptocurrency operations. Source  
Antminer K7 Specifications
Feature Bitmain Antminer K7
Mining Algorithm Ethash (Ethereum, ETC)
Hashrate 30 MH/s ± 5%
Power Consumption 1600 W ± 10%
Efficiency 53.3 J/MH
Noise Level 70 dB
Dimensions 320mm x 135mm x 155mm
Weight 6.5 kg
ASIC Chips High-performance Ethash ASIC

How to Start Mining with Antminer K7

Step 1: Setup – Connect to a reliable power supply and network. Ensure adequate cooling and ventilation. Step 2: Pool Selection – Join a reputable mining pool to minimize variability in reward distribution. Step 3: Device Configuration – Access the Antminer K7 interface, input pool credentials, and monitor hashrate and power consumption. Step 4: Operational Optimization – Track mining efficiency, energy costs, and returns to maximize Antminer K7 profitability. Step 5: Maintenance – Regular firmware updates and physical cleaning maintain optimal performance and longevity.  
Advantages Disadvantages
High hashrate improves block validation Relatively high Bitmain Antminer K7 price
Energy-efficient reduces electricity costs Setup requires technical expertise
Industrial-grade durability Noise levels may affect residential environments
Supports multi-unit mining setups Limited to Ethash-compatible coins
  As an expert, understanding the correlation between hashrate, power consumption, and profitability is essential; the K7’s architecture maximizes returns for energy-conscious mining operations. Source

Estimate Time

  • ROI Estimate: Depending on Ethereum network difficulty and electricity costs, miners can expect ROI within 6–12 months.
  • Initial Setup Duration: 20–40 minutes for experienced users.

Shipping

  • Delivery Time: 5–14 business days worldwide.
  • Packaging: Anti-static, shock-resistant packaging for secure delivery.

Returning Policy

  • Returns accepted within 14 days if the unit remains unopened and in original condition.
  • Defective units are eligible for replacement under warranty.

Warranty

  • Standard 12-month Bitmain warranty covers manufacturing defects.
  • Extended support and service plans are available via EZBlockchain.net.
The Bitmain Antminer K7 for sale delivers scientifically optimized Ethash mining, combining high hashrate, energy-conscious design, and durable hardware to maximize Antminer K7 profitability. Its reliability and efficiency make it a premier choice for both professional miners and dedicated hobbyists seeking long-term returns in Ethereum and related cryptocurrencies.
READ MORE

KEY ADVANTAGES

Unmatched Hashrate & Efficiency

Provides up to 63.5 TH/s on the Eaglesong algorithm, delivering industry-leading performance for Nervos (CKB) mining with exceptional efficiency.

Next-Gen Cooling System

Optimized thermal design and dual-fan architecture prevent overheating and ensure stable round-the-clock operation.

Ultra-Quiet & Dust-Reduced Operation

Engineered for reduced noise and minimal dust accumulation, making it suitable for both small-scale and industrial setups.

Extended Hardware Longevity

Built with durable components and advanced heat management to extend operational lifespan and reliability.

Lower Power Consumption

Consumes around 3080W, offering high hashrate-to-power efficiency to keep electricity costs under control.

Plug-and-Play Setup

Comes with an integrated controller, power supply, and user-friendly interface for fast installation and simple monitoring.

World Class
Service
starstarstarstarstar
Exceptional efficiency and profitability — the best upgrade so far.
Michael T.
starstarstarstarstar
Powerful and reliable — boosted our CKB mining output instantly.
Sarah L.
starstarstarstarstar
Easy to set up and highly efficient — perfect balance of power and cost.
David R.

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 algorithm does the Antminer K7 use?

The Antminer K7 is designed for the Eaglesong algorithm, primarily used to mine Nervos CKB.

What is the hashrate of the Antminer K7?

It delivers up to 63.5 TH/s, making it one of the most powerful ASICs for CKB mining.

How much power does it consume?

The Antminer K7 has a power consumption of approximately 3080W.

When was the Antminer K7 released?

It was officially released in late 2022.

Is it suitable for home mining?

Yes, while it’s powerful, its noise-optimized design allows it to be used in well-ventilated home setups, though professional farms benefit most.

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