Antminer S19k PRO 115TH/S Review: Performance, Efficiency, Profitability

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Key Takeaways

High hash rate of 115 TH/s ensures fast mining speeds.

Power consumption of 2,760W balances efficiency and performance.

Energy efficiency at 24 J/TH reduces electricity costs.

Advanced four-fan cooling system prevents overheating and throttling

Durable aluminum casing enhances longevity and heat resistance.

Easy setup with a user-friendly web interface and remote monitoring.

Reliable firmware automatically adjusts settings for optimal efficiency.

Designed for 24/7 mining with minimal downtime and maintenance.

The Antminer S19k PRO 115TH/S is a next-level mining beast. It’s built for serious Bitcoin miners who want maximum efficiency. With a massive 115 TH/s hash rate, it can mine Bitcoin faster than most older models. Power consumption is 2,760W, which is decent for its performance level. Energy efficiency sits at 24 J/TH, keeping electricity costs reasonable.

This miner is designed for large-scale operations, but home miners can use it with proper cooling and soundproofing. The setup process is straightforward. The system comes with an intuitive interface, making it easy to control and monitor. With smart firmware, the machine optimizes performance automatically. If you’re looking for a reliable, long-term mining solution, the S19k PRO is a solid pick.

Antminer S19k PRO 115TH/S Overview

The Antminer S19k PRO 115TH/S is an industrial-grade miner from Bitmain. It was released to improve efficiency, power management, and mining stability. This machine is tailored for Bitcoin miners looking for a high hash rate and optimized energy usage. It uses the SHA-256 algorithm, making it compatible with Bitcoin and other cryptocurrencies using the same standard.

This miner is a great choice for those running mining farms or high-end solo mining setups. It delivers consistent performance without overheating issues. With its strong build, powerful cooling, and efficient power consumption, it outperforms many competitors in its class.

Features: What makes it special?

Massive hash rate of 115 TH/s for increased mining efficiency.
Energy-efficient design with a power rating of 2,760W.
High durability with strong aluminum casing and heat-resistant parts.
Smart firmware that updates and optimizes performance automatically.
Cooling system with four powerful fans for better heat management.
Works with major mining pools and supports remote monitoring.
Easy to set up, even for those with little mining experience.

Key Specifications

The Antminer S19k PRO 115TH/S is built for performance and efficiency. Its compact design fits well in professional mining setups. The advanced cooling system and optimized power use make it a long-term investment.

Hash Rate. 115 TH/s for fast Bitcoin mining.
Power Consumption. 2,760W for optimized efficiency.
Power Efficiency. 24 J/TH to keep energy costs lower.
Cooling System. Four high-speed fans for better airflow.
Dimensions. 400 x 195 x 290 mm, making it space-efficient.
Weight. 12.85 kg for easy handling and installation.
Algorithm. SHA-256, compatible with Bitcoin and similar coins.

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Performance Overview

Performance is what makes the Antminer S19k PRO a top pick in 2025. It’s built to deliver maximum mining output while keeping energy costs in check.

Hash rate. 115 TH/s – significantly faster than older models, ensuring quicker transaction processing and block mining.
Energy efficiency. 24 J/TH – meaning you squeeze more mining power from every watt consumed. This keeps electricity costs lower compared to outdated, power-hungry rigs.
Optimized cooling. The advanced four-fan system prevents overheating, even under heavy loads.
Smart firmware. Auto-adjusts performance settings, ensuring smooth operation and preventing efficiency drops.
Stable under stress. Can handle 24/7 mining without major slowdowns or overheating risks.

This miner strikes the right balance between speed, efficiency, and durability — making it a solid choice for serious miners looking for long-term profitability.

Design and Build Quality

Bitmain’s Antminer S19k PRO is built like a tank. Its metal casing isn’t just for looks — it protects against dust, heat, and the non-stop grind of mining. This machine is designed to run 24/7 without breaking down. Solid construction = long-term reliability.

Cooling System and Noise

Mining rigs heat up fast. The S19k PRO tackles this with a four-fan cooling system.

High-speed fans keep temperatures stable, even during marathon mining sessions.
Smart temperature control adjusts fan speed automatically.
Improved airflow prevents overheating and performance drops.
But — it’s loud. 75 dB is like having a vacuum cleaner running next to you.
Best used in dedicated mining spaces with proper ventilation.

Durability and Materials

The S19k PRO is designed for hardcore miners who don’t want constant maintenance.

Tough aluminum casing protects internal components.
High-quality, heat-resistant materials prevent thermal damage.
Reinforced internal structure ensures stability over years of use.
Built to handle extreme workloads without major wear.

Performance and Efficiency

Hash rate. 115 TH/s (solid for SHA-256-based cryptos like BTC, BCH, BSV).
Power consumption. 2,645W — efficient compared to older models.
Energy efficiency. 23 J/TH — decent for long-term profitability.
Balances high performance with power usage, keeping costs under control.

User Experience

Easy to set up. Plug in, configure, and start mining.
Simple web-based interface — newbies won’t struggle.
Ethernet connection ensures stable operation.

Market Position

Competes well in 2025, even with newer, more powerful miners on the market.
Reliable choice for miners who want efficiency + longevity.
Not the most powerful, but its durability makes it a long-term investment

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Mining Performance and Efficiency

Mining performance is where the Antminer S19k PRO shines. With a 115 TH/s hash rate, it processes transactions fast, increasing the chance of mining rewards. The 24 J/TH efficiency keeps power costs low.

Hash Rate and Profitability

A high hash rate means faster block solving and better earnings.

115 TH/s gives competitive mining speed.
Works well in both solo and pool mining setups.
Maximized profitability with optimized power efficiency.
Consistent mining returns with smart power management.

Power Consumption and Energy Efficiency

Electricity costs are a major concern for miners. The Antminer S19k PRO balances performance and efficiency.

2,760W power consumption, reducing unnecessary energy waste.
24 J/TH efficiency, lower than older mining models.
Runs efficiently without sacrificing mining power.
Works best with renewable or low-cost electricity sources.

Setup and Usability

The Antminer S19k PRO 115TH/S keeps things simple. Whether you’re a beginner or a mining veteran, setup is quick and hassle-free.

Plug-and-play. Just connect power, Ethernet, and configure basic settings — you’re mining in minutes.
Web-based interface. Easily track performance, adjust settings, and troubleshoot issues.
Remote monitoring. Stay in control from anywhere, optimizing efficiency on the go.
Pool compatibility. Works with most mining pools and software, giving flexibility to miners.
Smart automation. Firmware auto-adjusts fan speeds and power settings for stability.

This miner is built for ease of use — no complex setup, no unnecessary headaches. Just configure, connect, and start mining.

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Reliability and Longevity

In mining, reliability isn’t a bonus — it’s everything. Downtime means lost profits. The Antminer S19k PRO 115TH/S is engineered for continuous, high-performance operation without frequent maintenance.

Built for 24/7 mining. Designed to handle constant workload without overheating or performance dips.
Low failure rates. Uses high-quality chips, reinforced circuits, and premium thermal materials to minimize wear and tear.
Smart firmware updates. Regular Bitmain updates optimize efficiency, fix bugs, and enhance performance automatically.
High-efficiency power supply. Reduces voltage fluctuations and prevents unexpected shutdowns or component failures.
Minimal maintenance. Dust-resistant casing and efficient cooling system reduce cleaning and part replacements.
Stable over years of use. Internal components are designed for long-term operation, making it a solid investment for serious miners.

This miner isn’t just powerful — it’s built to last. Whether you’re running a solo operation or managing a mining farm, the S19k PRO delivers stable, long-term performance with less downtime and fewer headaches.

Pros and Cons

Every mining rig has its strengths and weaknesses. The Antminer S19k PRO is no different. Here’s what you need to know before investing.

Pros

High hash rate. 115 TH/s ensures faster mining rewards and more efficient block processing.
Energy-efficient. 24 J/TH keeps electricity costs lower than many competitors.
Smart cooling system. Prevents overheating and maintains stable performance.
Durable build. Tough aluminum casing and high-quality components extend lifespan.
User-friendly. Simple setup, web-based monitoring, and remote control make management easy.

Cons

Loud operation. 75 dB noise level makes it unsuitable for home use without proper soundproofing.
High power demands. Needs a strong, stable power supply to run efficiently.
Best for large-scale mining. More suited for mining farms than small personal setups.

If you’re looking for a powerful, long-term mining solution, the S19k PRO delivers. But be ready to handle the noise and power requirements.

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