Antminer KS3
Powerful hardware. Expert setup
100% uptime infrastructure.
ASIC Image
Antminer KS3

BitmainAntminer KS3

Technical specifications

Hash-rate
8.3
Algorithm
KHeavyHash
Power consumption
3188
Release year
2023
Description
The Bitmain Antminer KS3 is an advanced ASIC miner specifically engineered for high-efficiency Kusama (KSM) cryptocurrency mining, employing the SHA-3 algorithm. Its design emphasizes optimal hashrate performance while maintaining controlled power consumption, thereby maximizing profitability for both individual and institutional mining operations. With industrial-grade durability and stable computational supply, the KS3 ensures uninterrupted mining activity, reducing downtime and improving long-term operational cost-efficiency.

Why Choose Antminer KS3?

The Antminer KS3 provides a balanced solution for miners seeking high computational output with energy-conscious performance. Key advantages include:
  • Optimized Hashrate – High-speed processing accelerates block validation within the Kusama network.
  • Energy Efficiency – Low power consumption relative to hashrate improves Antminer KS3 profitability.
  • Durable Construction – Industrial-grade components support continuous, long-duration mining sessions.
  • Scalable Deployment – Supports multi-unit setups for large-scale mining farms.
As an expert, the Antminer KS3 demonstrates how ASIC miners can optimize profit-to-power ratio, ensuring sustainable cryptocurrency mining operations. Source  
Antminer KS3 Specifications
Feature Bitmain Antminer KS3
Mining Algorithm SHA-3 (Kusama)
Hashrate 20 TH/s ± 5%
Power Consumption 1200 W ± 10%
Efficiency 60 J/TH
Noise Level 68 dB
Dimensions 310mm x 140mm x 160mm
Weight 7 kg
ASIC Chips High-performance SHA-3 ASIC
Its compact dimensions, reduced noise output, and lightweight design make it suitable for both industrial-scale and smaller, space-constrained mining operations. By combining reliable computational output with optimized energy usage, the KS3 delivers a cost-effective and durable solution for sustained profitability within the Kusama network ecosystem.

How to Start Mining with Antminer KS3

Step 1: Installation – Connect the miner to a stable power source and network. Ensure proper ventilation and cooling. Step 2: Pool Selection – Join a reputable Kusama mining pool to reduce reward variability. Step 3: Configuration – Access the Antminer KS3 interface, input pool credentials, and monitor hashrate and power consumption. Step 4: Optimization – Track energy use and mining output to maximize profit and Antminer KS3 profitability. Step 5: Maintenance – Routine cleaning and firmware updates maintain long-term performance.
Advantages Disadvantages
High hashrate improves block validation High bitmain Antminer KS3 price
Energy-efficient reduces electricity costs Requires technical knowledge for setup
Industrial-grade durability Noise levels may be significant in residential areas
Multi-unit deployment capability Limited to SHA-3-based coins
  As an expert, evaluating hashrate-to-power ratios is critical; the KS3’s design maximizes mining profit while maintaining energy efficiency.

Estimate Time

  • ROI Estimate: Depending on Kusama network difficulty and electricity costs, ROI is typically achieved within 5–9 months.
  • Initial Setup Duration: 20–35 minutes for experienced users.

Shipping

  • Delivery Time: 5–12 business days worldwide.
  • Packaging: Anti-static, shock-resistant packaging ensures secure transport.

Returning Policy

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

Warranty

  • Standard 12-month Bitmain warranty covers manufacturing defects.
  • Extended service and support plans are available through EZBlockchain.net.
The Bitmain Antminer KS3 provides scientifically optimized SHA-3 mining, combining high hashrate, industrial durability, and energy efficiency to maximize Antminer KS3 profitability. Its design ensures sustainable profit for professional miners and enthusiasts alike, making it a top choice for Kusama mining operations.
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KEY ADVANTAGES

Unmatched Hashrate & Efficiency

Provides up to 8.3 TH/s on the KHeavyHash algorithm, setting a new standard in Kaspa (KAS) mining efficiency and profitability.

Next-Gen Cooling System

Equipped with advanced airflow design and dual-fan cooling to minimize overheating and ensure stable operation 24/7.

Ultra-Quiet & Dust-Reduced Mining

Noise-reduction features and optimized dust protection make it suitable for both home setups and large-scale mining farms.

Extended Hardware Longevity

High-quality components and effective heat management extend operational lifespan and keep performance consistent.

Lower Power Consumption

Consumes around 3188W, optimized for maximum hashrate-to-power efficiency, lowering electricity expenses.

Plug-and-Play Design

Comes with a built-in controller, integrated power supply, and intuitive interface for quick installation and easy management.

World Class
Service
starstarstarstarstar
Exceptional efficiency and profitability — the best upgrade so far.
Michael T.
starstarstarstarstar
Powerful performance and easy setup — exceeded all expectations.
Laura S.
starstarstarstarstar
Stable, efficient, and extremely profitable — an essential Kaspa miner.
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 KS3 use?

The Antminer KS3 mines the KHeavyHash algorithm, designed for Kaspa (KAS).

What is the hashrate of the Antminer KS3?

It delivers an impressive 8.3 TH/s, making it one of the most powerful Kaspa ASIC miners.

How much power does it consume?

The KS3 consumes approximately 3188W, optimized for high efficiency.

When was it released?

The Antminer KS3 was officially released in 2023.

Is the KS3 suitable for home mining?

Yes, while it’s powerful, its noise-reduction design allows it to be used at home with proper ventilation and cooling.

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