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  • 0878222520
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Bitmain Antminer KS5
31%off
Featured Deal
Noise: 70dB
0.15j /Gh
S21
SKU KS5-P Categories , Tag Brand:

Warranty Card

Warranty Plan Cover Period

Bitmain: 360 Days

IceRiver, whatsminer & Other: 180 Days

We cover the costs of shipping & clearance of your first warranty claim, only available to miners above 150K

warranty lgo

New Bitmain Antminer KS5 Pro 21TH Kaspa Miner 3150W

Pre-Order the latest most profitable miner on the planet! 21TH of kaspa will turn your mining farm into a money making ATM! Shipping in March, pre-order to secure stock.

 

The Antminer KS5 (21Th) is a high-performance mining machine designed to excel in KHeavyHash algorithm mining. With its impressive hashing power of 21 terahashes per second (21Th/s) and power consumption of 3150W, this miner delivers exceptional efficiency and performance.

Unleash Impressive Hashing Power: Equipped with advanced ASIC chips, the Antminer KS5 (21Th) offers a formidable hashing power of 21 terahashes per second (21Th/s). With such significant processing capability, you can mine cryptocurrencies utilizing the KHeavyHash algorithm with high speed and efficiency.

Optimized for KHeavyHash Algorithm: The Antminer KS5 (21Th) is purpose-built to maximize the potential of the KHeavyHash algorithm. By leveraging this algorithm, you can efficiently mine cryptocurrencies and contribute to the growth and security of the network.

Energy Efficiency for Sustainable Mining: We understand the importance of energy efficiency in mining operations. The Antminer KS5 (21Th) is designed to provide optimal performance while keeping power consumption at an efficient level. With a power consumption of 3150W, you can mine with confidence while minimizing energy costs.

Limited to 2 units per account

NiceHash mining calculator
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Power Cable included

No need to stress about ordering the correct cables, it will come with your miner on every new  machine purchased. 

Original price was: R65,000.Current price is: R45,000.

In stock with supplier

Add to Cart
  • Ships within 4 - 8 Working days

*In Stock Miners Only

Estimated delivery dates: 25th Aug - 30th Aug

Warranty

Warranty Plan Cover Period

Bitmain: 360 Days

IceRiver, whatsminer & Other: 180 Days

We cover the costs of shipping & clearance of your first warranty claim, only available to miners above 150K

warranty lgo
lulapay

Mine Now & Pay Later!

Apply for finance and pay off the miner over 6 months while enjoying the mining benefits.

Simply request an invoice from us and apply with Lula, Business Only!

Benefits

  • Start mining immediately 
  • Secure current market pricing
  • Reduce capital outlay
  • Settle anytime with no penalties
  • No contracts
  • Reduce monthly repayment with miner profits
Apply
  • Fast & Free Shipping
  • No Import Taxes
  • Speedy service
  • Expert Support & Advice
  • Installation & Local Repair Services
  • Delivery Insurance Included
  • Remote Setup Included

Description

Only 18T available

Product Glance
Model KS5
Algorithm | Cryptocurrency kHeavyHash | KAS-Kaspa
Hashrate, TH/s 21 ±3%
Power on wall @25°C, Watt 3000-4000 ±10%
Power efficiency on wall @25°C, J/T 190 ±10%
Detailed Characteristics
Power Supply
Power supply AC Input voltage, Volt(1-1) 200~240
Power supply AC Input Frequency Range, Hz 47~63
Power supply AC Input current, Amp(1-2) 20(1-3)
Hardware Configuration
Networking connection mode RJ45 Ethernet 10/100M
Miner Size (Length*Width*Height, w/o package),mm(2-1) 430*195.5*290
Miner Size (Length*Width*Height, with package),mm 570*316*430
Net weight, kg(2-2) 16.1
Gross weight, kg 17.7
Environment Requirements
Operation temperature,°C 0~40
Storage temperature,°C -20~70
Operation humidity(non-condensing) , RH 10~90%
Operation altitude, m(3-1) ≤2000

Additional information

Weight 16 kg
Dimensions 49 × 30 × 40 cm
Power

Hash Rate

Model Slug

Noise

Efficiency

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FAQ about asic crypto miners

Are Crypto Miners Worth It?

Absolutely — if you understand your costs and choose the right miner. Crypto miners can be a profitable long-term investment, especially during bull markets or if you have access to cheap electricity or solar power.

ASIC miners, like those we offer at SA Crypto Miners, are designed for maximum efficiency. Depending on the coin being mined, daily revenue can significantly outweigh power costs — making it possible to recover your investment in as little as 6–12 months.

What Determines If a Crypto Miner Is Profitable?

Profitability depends on several key factors:

  • Electricity cost: Lower electricity rates = higher profits.

  • Mining difficulty: This fluctuates based on network activity.

  • Coin price: The higher the market price of the coin, the more profitable mining becomes.

  • Miner efficiency: High-efficiency models like the Bitmain S21 or IceRiver KS5 Pro deliver better hashrate-to-watt ratios.

We display estimated daily earnings on each product page to help you decide.

Can I Mine from Home in South Africa?

Yes, many of our customers successfully mine from home. If you're on prepaid electricity or solar, your profitability can be much higher. We can help assess your setup and recommend the right unit for your needs.

How Long Does It Take to Break Even?

Most customers break even within 6 to 12 months, depending on:

  • The miner you choose

  • Market conditions

  • Electricity cost

  • Hosting (if using a mining farm)

We also offer hosting options in low-cost regions like Ethiopia, which can improve ROI dramatically. However this is for bigger investors as these deals range from 6 - 10 Million for 200 - 300 machines. View Here

Is Crypto Mining Still Relevant in 2025?

Yes — and arguably more than ever. With the rise of AI and increased demand for decentralization, many proof-of-work coins are gaining value. Coins like Kaspa, Bitcoin, and Dogecoin are seeing strong community and developer support.

What If the Market Drops?

Crypto is cyclical. The best time to buy a miner is before a bull market, when prices are lower. Most of our top customers hold onto their machines through downturns and reap the rewards when the market rebounds.

Why Buy from SA Crypto Miners?

  • Fast, direct shipping from suppliers in China (±7 days)

  • Trusted South African reseller with 5-star Trustpilot reviews

  • After-sales support and mining setup guidance

  • Live profitability stats and transparent product data

Price Drop Active on selected miners

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