New Bitmain Antminer S21+ Bitcoin Miner 216TH

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.

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.

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.

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

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.

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.

• 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