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SKU S21 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 S21 200TH/S Bitcoin Miner

200TH/s for a power consumption of only 3500W.
High stability & Cost-effective.
Brand new from the manufacturer.


 

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. 

R103,000

Out of stock

*In Stock Miners Only

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

Description

200TH/s for a power consumption of only 3500W.
High stability & Cost-effective.
Brand new from the manufacturer.

Pre order, delivery In Jan 2024

Specifications


Product Glance
Model S21
Algorithm | Cryptocurrency SHA256 | BTC/BCH/BSV
Hashrate, TH/s 200
Power on wall @25°C, Watt 3500
Power efficiency on wall @25°C, J/TH 17.5
Detailed Characteristics
Power Supply
Power supply AC Input voltage, Volt(1-1) 220~277
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) 400*195*290
Miner Size (Length*Width*Height, with package),mm 570*316*430
Net weight, kg(2-2) 15.4
Gross  weight, kg(2-2) 17.2
Environment Requirements
Operation temperature,°C 0~45
Storage temperature,°C -20~70
Operation humidity(non-condensing) , RH 10~90%
Operation altitude, m(3-1) ≤2000

 

 

 

 

Additional information

Weight 13 kg
Dimensions 39 × 29 × 40 cm
Power

Hash Rate

Model Slug

Noise

Efficiency

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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