Popular Keywords

Warranty Card

Warranty Plan Cover Period

Bitmain: 360 Days or 180 Days (Refer to Bitmain Website)

IceRiver, whatsminer & Other: 180 Days

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

New Bitmain Antminer T21 190Th 3610W BTC BCH Miner

Name: New Bitmain Antminer T21 190Th 3610W BTC BCH Miner
Brand: Bitmain
SKU: T21
Price: 76000 ZAR
Availability: InStock

190TH/s for a power consumption of only 3610W.
High stability & Cost-effective.
Brand new from Bitmain warehouse.

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: R87,000.Current price is: R76,000.

In stock with supplier

Estimated delivery dates: 11th Jan - 16th Jan

*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

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
Additional information

Description

Product Glance
Model	T21
Algorithm \| Cryptocurrency	SHA256 \| BTC/BCH/BSV
Hashrate	190TH/s
Power on wall @25°C	3610W
Power efficiency on wall @25°C	19.0J/TH

Detailed Characteristics
Power Supply
Power supply AC Input voltage	380~415V
Power supply AC Input Frequency Range	50~60Hz
Power supply AC Input current	Amp 12
Hardware Configuration
Networking connection mode	RJ45 Ethernet 10/100M
Miner Size (LengthWidthHeight, w/o package)	400195290mm
Miner Size (LengthWidthHeight, with package)	570316430mm
Net weight	16.4kg
Gross weight	18.1kg
Environment Requirements
Operation temperature	0~45°C
Storage temperature	-40~85°C
Operation humidity(non-condensing)	10~90%RH
Operation altitude	≤2000m

Additional information

Weight	13 kg
Dimensions	39 × 29 × 40 cm
Power	3610W
Hash Rate	190TH
Model Slug	antminer-t21-190t
Noise	75dB
Efficiency	19j /Th

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

Popular Keywords

Categories

Shop By Coin

Explore the new L9 Dogecoin Miner

Warranty Card

New Bitmain Antminer T21 190Th 3610W BTC BCH Miner

Power Cable included

Warranty

Mine Now & Pay Later!

Benefits

Description

Additional information

Popular Keywords

Categories

Shop By Coin

Explore the new L9 Dogecoin Miner

Mine Now & Pay Later!

Benefits

Description

Additional information

New Bitmain Antminer L7 8.8Gh/s

New Bitmain Antminer S19k Pro 120TH/S Bitcoin Miner

R16 999

Price Drop Active on selected miners

Valid for