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SKU S19-1-1 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

Unboxed Bitmain Antminer T19 190TH Bitcoin Miner

Unboxed T21 in stock, ships next business day. 

 

Machine is unused but unboxed, warranty reduction starts from April 2025


 

Bitcoin
SHA-256
Network hashrate
929.000 EH/s
Difficulty
127.620T
Block reward
3.1250 BTC
Price
118069.61 USD
TH/s
Daily est. coins
0.0001 BTC
Daily est. earnings
8.14 USD
Provided by minerstat®
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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. 

R55,999

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

 

Specifications

Manufacturer Bitmain
Model Antminer T21
Also known as Bitcoin Miner T21
Release February 2024
Size 400 x 195 x 290mm
Weight 16400g
Noise level 75db
Fan(s) 2
Power 3610W 3 Phase
Interface Ethernet
Temperature 5 – 45 °C
Humidity 10 – 90 %

 

 

 

 

 

 

FAQ about asic crypto miners

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