Antminer S19K Pro: High Hashrate, Low Cost – The Ideal Mining Solution for Budget-Conscious Miners
The Antminer S19K Pro offers an impressive 120 TH/s hashrate, balancing performance with affordability. With moderate efficiency and real-world durability, it’s perfect for miners who prioritize low electricity costs without compromising on output. Designed for operations in cooler environments, the S19K Pro is an ideal choice for those looking to maximize ROI, especially in locations like Ethiopia with hosting rates as low as $0.058/kWh.
Discover why this machine is a solid, budget-friendly alternative and how it stacks up against more costly models.
1. Technical Specifications
The S19K Pro offers a hashrate of 120 TH/s, positioning it in the mid-range of the most powerful air-cooled Bitcoin mining machines on the market. While it performs well, it doesn’t reach the output of the S21 Pro series, which boasts over 200 TH/s.
While maximizing hashrate is essential, optimizing efficiency often plays an even greater role. The S19K Pro offers a moderate efficiency of 23 J/T. Although not the top performer in efficiency, it can still yield a strong gross profit margin when operating costs are kept low. It is around 70% less efficient than the leading air-cooled model, the Antminer S21 XP. However, as mentioned, the most efficient machine isn’t always necessary for maximizing profitability.
Overall, the S19K Pro delivers solid performance and has strong potential to generate substantial cash flow over the next four to five years, assuming electricity costs remain affordable. This machine is best suited for those with access to all-in hosting costs of $0.06/kWh or lower.
2. performance
Experienced miners know that nameplate specifications often don’t fully reflect real-world performance, particularly with Antminer models. This makes hands-on testing essential to understand a machine’s actual efficiency, hashrate stability, and power consumption in typical conditions.
We’ve been running several Antminer S19K Pro units in Ethiopia for a few months to gather real-world performance data, comparing actual results with nameplate specifications.
In terms of power consumption, these units have been drawing approximately 5% more power than specified, resulting in a real-world efficiency of around 24 J/T rather than the stated 23 J/T. This falls within Bitmain’s allowable 5% margin of error. It’s also worth noting that our Ethiopian farm operates in an optimal temperature range; we don’t recommend running these units in significantly hotter environments.
Regarding hashrate, while the S19K Pro’s nameplate specifies 120 TH/s, our units have been averaging 122 TH/s—a 1.7% increase. This aligns with typical Bitmain performance, where actual hashrate often slightly exceeds the specification but comes with a modest increase in power consumption.
As shown in the chart above, most S19K Pro units achieve hashrates that are notably above the nameplate value, though a few fall short. In summary, the S19K Pro offers slightly lower efficiency than advertised but provides a modest boost in hashrate. This model performs well in cooler environments, where efficiency and stability can be maintained. However, for hotter climates, the Antminer T21 or models from Whatsminer may be better suited to avoid performance drops due to temperature.
3. profitability
The primary objective of a Bitcoin mining machine is to maximize hashrate while minimizing energy consumption. But how do the performance metrics discussed above translate into real-world mining profitability?
As illustrated in the chart above, with an electricity cost of $0.058/kWh available in Ethiopia, the Antminer S19K Pro, achieves a direct BTC production cost of only $37.8k. This translates to a 46% gross profit margin at the current Bitcoin price of $69.6k.
The Antminer S19K Pro is a good option for those with access to inexpensive electricity. At the rate we offer in Ethiopia, this machine is expected to remain cash flow positive for at least four years, which aligns well with Bitcoin's historical four-year cycles.
If you're interested in learning more about the cost structure of Bitcoin mining and the various metrics used to estimate profitability, we recommend reading this article.
4. durability
As highlighted in this article, durability is a critical yet often overlooked factor when selecting a bitcoin mining machine. It is important to invest in a machine that can endure for at least 4-5 years before it becomes obsolete or is reduced to scrap metal.
Given that the Antminer S19K Pro is a relatively new model, its durability remains somewhat speculative. However, based on Antimer’s historical track record of 4-5 years of durability, there is reason to believe this model will also prove to be long-lasting.
Moreover, we have encountered very few dead-on-arrival units in Ethiopia, and performance has remained consistently stable over the past few months. These observations suggest that the S19K Pro is a durable option.
We expect that this machine will last at least 4-5 years when hosted in an optimal operating environment, providing a substantial timeframe for generating bitcoin for its owner.
5. price
The standout feature of the Antminer S19K Pro is its highly competitive pricing compared to more efficient models like the S21 and S21 Pro.
Currently, the S19K Pro is attractively priced, especially as many miners tend to prefer the most efficient models. However, for those with access to low electricity costs (under $0.06/kWh), the S19K Pro is likely to provide a significantly higher ROI than its more efficient and expensive counterparts, thanks to its lower upfront price.
If you have access to affordable hosting, such as what we offer in Ethiopia, the S19K Pro is likely the best choice for maximizing returns.
Prices fluctuate daily, and you can follow them in our Telegram channel.
conclusion
In conclusion, the Antminer S19K Pro offers a compelling balance of performance, efficiency, and affordability, making it a strong choice for miners with access to low-cost electricity.
While not as efficient as some of the higher-end models like the S21 XP, it delivers a decent hashrate, solid profitability, and reliable durability.
For miners operating in environments with cheap power and effective cooling, the S19K Pro presents a budget-friendly alternative.
Its competitive price further enhances its appeal, especially in locations like Ethiopia, where electricity costs are favorable.
custom S19K Pro hosting solution
Ready to maximize your Bitcoin mining potential? Our team of experts is standing by to craft a personalized hosting package for your Antminer S19k Pro in our state-of-the-art Ethiopia facility.
Benefit from optimal climate conditions, stable power, and 24/7 professional management. Fill out the form below to receive your tailored offer and take the first step towards unparalleled mining efficiency.
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"Praising Hashlabs for Unmatched Transparency and Reliability"
I've been following Hashlabs' journey in the crypto space, and their commitment to transparency and reliability is unmatched. Their detailed updates and clear communication make me confident that their new facility in Ethiopia will be a game-changer in sustainable Bitcoin mining. - Brian Kim, Tech Entrepreneur
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In a world where sustainability is key, Hashlabs stands out for their commitment to eco-friendly mining solutions. Their new hydropower-based facility in Ethiopia is a testament to their dedication to the environment. I trust Hashlabs to lead the way in responsible Bitcoin mining. - Steven Quinn, Digital Investor
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Frequently Asked Questions
What makes the Antminer T21 a good choice for Bitcoin mining?
The Antminer S19K Pro offers a solid hashrate of 120 TH/s and a competitive energy efficiency of 23 J/T, striking a balance between performance and affordability. It’s an excellent option for miners who have access to low electricity costs, as it offers reliable profitability without the high price tag of premium models.
How much does it cost to mine one Bitcoin with the S19K Pro in Ethiopia?
With Ethiopia’s electricity rate of $0.058/kWh, the S19K Pro achieves a BTC production cost of around $37.8k, yielding a strong profit margin at current Bitcoin prices. This makes it a cost-effective solution for budget-conscious miners.
What hosting options are available for the S19K Pro in Ethiopia?
Our Ethiopian hosting facility offers reliable hosting at a low rate of $0.058 per kWh. This includes optimal air-cooled conditions, which help maintain the S19K Pro’s efficiency and stability in operation.
What is the real-world performance of the S19K Pro?
Testing shows that the S19K Pro performs slightly above its nameplate specifications, often achieving 122 TH/s instead of the specified 120 TH/s. Power consumption is around 5% higher than stated, but this falls within the acceptable variance and is typical for mining equipment.
Can the S19K Pro operate in hotter environments?
The S19K Pro performs best in cooler environments (such as our Ethiopian facility), which helps maintain efficiency and stability. For hotter climates, we recommend considering alternative models that are specifically optimized for high temperatures.
What’s the expected ROI on the S19K Pro at $0.058/kWh?
With the low electricity rate available in Ethiopia, the S19K Pro can deliver a projected ROI in under 18 months, depending on BTC prices and market conditions. This makes it a viable choice for miners looking to maximize returns on a budget.
Where can I get updated pricing for the S19K Pro?
Prices can vary, so we recommend following our Telegram channel or reaching out directly to stay updated on the latest pricing and availability for the S19K Pro.