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BELSEM GUEDJALI
April 19, 2026
8 Mins

40KW Immersion Cooling System Guide for S23 Miners

Explore the ultimate guide to the 40KW immersion cooling system for S23 miners, covering operation, design, and protection.

40KW Immersion Cooling System Guide for S23 Miners
40KW Immersion Cooling System Guide for S23 Miners

The Future of Cooling: Why Immersion Cooling is Essential for S23 IMM Mining

Let’s get one thing straight: the era of air cooling isn’t just fading—it’s officially hitting a brick wall. In 2026, trying to keep a high-density beast like the S23 IMM stable with traditional fans isn’t just an uphill battle; it’s a gamble with your capital. We’ve all been there, watching those heat spikes climb while the hardware screams, and let’s be honest—those aren't just 'technical glitches.' They are silent profit killers.

As our machines get more powerful, the old ways of 'pushing air and praying' are failing us. If you’re running a 40KW setup, you already know that heat is the primary tax on your ROI. But here’s the reality most people miss: you shouldn't be fighting the heat—you should be eliminating it entirely. The industry's top players aren't moving to immersion cooling because it's a 'cool' trend; they're doing it because it’s the only way to stop the bleeding and actually protect their hardware for the long haul. The real question isn’t whether you need to upgrade—it’s how much more of your bottom line you’re willing to burn before you finally make the switch.

⚡ Key Insight
Immersion cooling is becoming the new standard for high-density mining operations, offering stability and efficiency.

Air Cooling vs Immersion Cooling (2026 Performance Comparison)

Below is a comparison that shows why immersion cooling is becoming the new standard:

FactorAir CoolingImmersion Cooling
Temperature StabilityUnstableHighly Stable
Noise LevelVery HighNear Silent
Hardware Lifespan2–3 Years3–5+ Years
MaintenanceFrequentMinimal
Overclocking CapabilityLimitedHigh Potential
Energy EfficiencyLowerHigher

Product Design and Space Requirements for the 40KW Immersion Cooling Container

The internal tank size is given by dimensions 857 x 737 x 484mm. The idea is to make it feasible to totally immerse the exact number of units of S23 IMM in the tank with proper paths for the flow of oils.

Weight & Durability: The total weight of the cabinet is 260 kg. This can be attributed to the sturdy parts that are capable of withstanding the force exerted by the dielectric fluid as well as the hardware.

Ease of Installation: Installation in the “single-piece” system is easier, as one only has to install the piping and power connection in order to start using it.

Electrical Specifications and Power Capacity

To operate S23 IMM miners efficiently in a 40KW immersion setup, the system is designed to handle high electrical loads while maintaining stability and safety. Below is a simplified overview of the key electrical parameters:

ParameterValue
Total System Capacity40 kW
Number of Miners SupportedUp to 8 Units (≈4kW each)
Voltage Requirement380–415V AC (3-Phase)
Main Breaker63A
Operating Current~57A
System Overhead~0.4 kW (pumps, sensors, controls)

Cooling Components and Mechanical Circulation System

The system is built around a high-efficiency circulation loop designed for stable thermal control under continuous load.

Canned Motor Pump: This type of pump has specifically been used for chemical or oil circulation. Additionally, it operates silently and has a zero leakage system.

Brazed Plate Heat Exchanger: This acts as the central part of the whole system that facilitates effective cooling of oil through the water system.

Fluid Capacity: The system requires a capacity of 200 liters of dielectric fluid. This guarantees the submersion of the components.

Smart Control and Monitoring Features for Immersion Mining Systems

This is a smart device that provides complete control:

  • LCD Touchscreen: It gives the temperature and operational details in real-time, enabling easy adjustments of the setting.

  • Remote Connectivity Solution (Wi-Fi): The device can also be linked to a remote app that enables the tracking of the farm’s status from any location in the world.

  • Safety Alarms: Fluid level detection and Over-temperature Alarms that enable taking emergency action or switching off the supply of power when a thermal alarm occurs.

Choosing the Right Dielectric Fluid for Immersion Cooling Mining Systems

For 10 S23 IMM units, fluids shall meet the following strict dielectric specifications:

  • White Mineral Oil: Colorless, safe, and very economical. It is preferred because it’s odorless.

  • Synthetic Fluids (PAO): This has an ultra-low viscosity ranging from 5cSt to 15cSt, which works well for reducing the load on the pump. This, therefore, results in extending the life of the pump.

Safety: The Flash Point should be greater than 160°C. This will prevent the oil from catching fire.

Heat Recovery and Secondary Energy Utilization in Immersion Mining

This system can transform "a heat problem into an energy source":

The waste heat generated by water, which constitutes around 65-80% of mining power, would be harnessed for the purposes of swimming pool heating, office space heating, and residential underfloor heating, thus optimizing the economics of the scheme.

Warranty, Safety Protections, and Shipping Terms

Protective Functions: Together with Leakage Protective Devices to protect people as well as equipment.

Warranty: Comes with a manufacturer warranty of 1 year.

Shipping Notes: Does not include the fluid component (200L) and the external cooling tower, due to weight restrictions in international shipments.

Sales Policy: Units will be held pending confirmation of payment. Sales are final because of the special usage associated with our merchandise.

Conclusion: Why Immersion Cooling is the Only Way Forward for S23 IMM Mining

At this stage of the game, cooling isn't just some technical footnote—it’s the thin line between a thriving operation and one that’s just falling behind.

Let’s be real: running S23 IMM units on traditional air cooling in 2026 is like forcing a world-class athlete to run a marathon in a heavy coat. You’re essentially accepting instability, bracing for higher failure rates, and settling for performance caps that shouldn't be there. You aren't just "cooling" your machines; you’re actively holding back their true potential.

The Kryptos 40KW immersion system completely flips the script.

It puts you back in the driver’s seat, giving you total command over temperature, noise, and—most importantly—long-term hardware survival. Instead of waking up every day wondering how to "fight" the heat, you simply remove it from the equation. That’s the fundamental shift that separates an average hobbyist setup from a truly professional mining powerhouse.

Because in 2026, the winners won't be the ones who just bought the most hardware. They’ll be the ones who ran it smarter, kept it cooler, and made it last longer than anyone else.

FAQ: 40KW Immersion Cooling Systems for S23 IMM Bitcoin Miners

Q1: What is a 40KW immersion cooling system for Bitcoin mining?

A 40KW immersion cooling system is a specialized cooling solution where ASIC miners are submerged in dielectric fluid to dissipate heat efficiently. This method allows high-density mining operations, improves hardware lifespan, reduces noise, and ensures stable temperatures even under continuous high-power mining loads.

Q2: How many S23 IMM miners can a 40KW immersion system support?

A 40KW immersion system is designed to support up to eight high-power ASIC miners at approximately 4kW each. This configuration ensures the cooling system operates within safe thermal limits while maintaining optimal efficiency and stable mining performance.

Q3: What type of fluid is used in immersion cooling for ASIC miners?

Immersion cooling systems typically use dielectric fluids such as white mineral oil or synthetic PAO fluids. These liquids are electrically non-conductive and allow miners to operate safely while efficiently transferring heat away from mining hardware.

Q4: Why is immersion cooling better than air cooling for ASIC miners?

Immersion cooling provides significantly better heat transfer compared to air cooling. It reduces fan usage, lowers noise levels, prevents dust buildup, stabilizes temperatures, and improves hardware efficiency. This results in longer ASIC lifespan and better mining profitability.

Q5: Can immersion cooling systems reuse mining heat?

Yes, immersion cooling systems allow miners to capture and reuse the heat generated by mining equipment. The recovered heat can be used for heating buildings, swimming pools, or underfloor heating systems, improving overall energy efficiency and reducing operational waste.

Q6: What electrical requirements are needed for a 40KW immersion mining system?

A typical 40KW immersion system requires a 380V–415V AC three-phase electrical supply with a 63A breaker. This setup ensures sufficient power delivery while maintaining safe electrical operation for high-density ASIC mining equipment.