Ultimate HP OMEN PC Cooling Upgrades
Why Cooling Matters More Than Ever
Modern gaming PCs are pushing thermal boundaries like never before. With current-generation GPUs drawing 300-450W, CPUs packing more cores, and games leveraging every bit of available processing power, effective cooling has transformed from a nice-to-have feature into an essential component of any serious gaming rig.
Heat buildup can lead to thermal throttling (automatic performance reduction), system instability, and accelerated component wear. That's why HP has developed a comprehensive lineup of cooling solutions specifically engineered for OMEN gaming PCs in 2025, ensuring these powerful systems can maintain optimal performance even under extreme gaming loads.
This guide explores HP's latest OMEN cooling components, explains how to install and optimize them, and helps you select the ideal cooling upgrade for your specific OMEN system and performance goals.
Meet the 2025 OMEN Cooling Lineup
HP's 2025 cooling solutions represent a significant advancement in thermal management technology, with options designed to integrate seamlessly with OMEN desktop PCs while providing superior cooling performance and customization.
OMEN 120mm ARGB Fans (25mm and 28mm)
These advanced cooling fans come in two thickness options to fit various mounting locations:
25mm Standard Version:
- Sold individually for targeted airflow improvements
- Fluid dynamic bearings for silent operation and longevity
- Gen 2 ARGB lighting with extensive customization options
- Zero RPM mode for silent operation during light workloads
28mm Performance Version:
- Sold in triple-packs for comprehensive cooling overhauls
- Higher static pressure and improved airflow compared to standard fans
- Innovative daisy-chain design allowing up to 10 fans connected to a single hub
- Reduced cable clutter for cleaner builds and improved internal airflow
- Enhanced Gen 2 ARGB lighting effects controlled via OMEN Gaming Hub
Both versions feature precisely engineered fan blades that maximize air movement while minimizing noise, making them ideal for gamers who demand both performance and acoustic comfort.
OMEN Modular Liquid Cooling Systems
HP's new all-in-one liquid cooling solutions offer advanced thermal management for even the most demanding processors:
240mm LCD Liquid Cooler:
- Dual 120mm ARGB fans for efficient heat dissipation
- 2.1" LCD display on the pump head for real-time system monitoring
- Customizable screen supporting static images, animations, and system metrics
- Full integration with OMEN Gaming Hub for seamless control
360mm ARGB Liquid Cooler:
- Triple 120mm fan configuration for maximum cooling capacity
- ARGB-illuminated pump head with extensive lighting options
- Asetek 7th-generation pump technology for superior efficiency
- Ideal for high-core count CPUs and overclocking scenarios
- Pre-applied thermal compound for hassle-free installation
Both liquid cooling systems feature tool-free mounting brackets specifically designed for OMEN systems, making installation straightforward even for users with limited technical experience.
OMEN 1000W Modular Power Supply
While not strictly a cooling component, this power supply upgrade plays a crucial role in system thermals:
- Fully modular cable design for improved airflow and reduced cable clutter
- ATX 3.1 compliant with native 12VHPWR connector support for next-gen GPUs
- Zero RPM fan mode that eliminates PSU fan noise during light loads
- 135mm quiet cooling fan that activates only when required
- 80 PLUS Platinum certification for maximum energy efficiency
The modular design and Zero RPM technology contribute to better overall system airflow and reduced ambient heat, complementing the dedicated cooling components.
Compatibility with OMEN Desktop Models
HP designed these cooling solutions for seamless integration with current OMEN desktop systems:
| OMEN Model | Supported Upgrades | Special Considerations |
|---|---|---|
| OMEN 35L | 120mm fans, 240mm AIO | Good balance of space and cooling options |
| OMEN 45L | All cooling options, including 360mm AIO | Maximum upgrade potential with dedicated CRYO Chamber for radiator |
This compatibility ensures you can purchase upgrades with confidence, knowing they're designed specifically for your OMEN system's dimensions and mounting points.
Step-by-Step Installation Guide
Preparation
- Power down and disconnect: Turn off your OMEN PC, unplug the power cable, and disconnect peripheral devices
- Ground yourself: Use an anti-static wrist strap or touch a grounded metal object before handling components
- Remove side panels: Open your case according to your specific OMEN model's instructions
- Take inventory: Identify available fan mounting locations and radiator compatibility
- Clean existing components: Remove accumulated dust to ensure optimal airflow from your new cooling setup
💡Pro Tip:
Take photos of your current configuration before disconnecting any components. These will serve as helpful references during reassembly.
Installing OMEN ARGB Fans
- Determine optimal fan placement:
- Front and bottom positions: Configure as intake (air flowing into the case)
- Top and rear positions: Configure as exhaust (air flowing out of the case)
- Mount the fans:
- Align the fan with the mounting points
- Secure with the included screws (finger-tight is sufficient)
- Ensure the airflow direction arrows on the fan frame match your intended configuration
- Connect the daisy-chain system (28mm fans):
- Connect the first fan's output cable to the second fan's input connector
- Continue chaining additional fans (up to 10 total)
- Connect the first fan in the chain to either:
- The OMEN Modular Hub (preferred for best lighting control)
- A compatible motherboard fan header
- Cable management:
- Route cables along case edges and through dedicated cable channels
- Use the included cable ties to secure excess length
- Ensure no cables obstruct fan blades or major airflow paths
Installing OMEN Liquid Cooling
- Select mounting location:
- 240mm radiator: Top or front of case (model dependent)
- 360mm radiator: Top of OMEN 45L (in CRYO Chamber) or front of 45L
- Mount the radiator and fans:
- Attach fans to the radiator using the provided screws
- Ensure fans are oriented correctly (typically pulling air through radiator)
- Secure the radiator/fan assembly to your chosen mounting location
- Install the pump head:
- Remove your current CPU cooler and clean off old thermal paste
- The OMEN liquid cooler comes with pre-applied thermal compound
- Align the pump with your CPU socket using the appropriate bracket
- Secure the pump according to the included instructions
- Connect cables:
- Connect the pump power cable to the CPU_FAN or AIO_PUMP header
- Connect the fan cables using the daisy-chain system
- Connect ARGB/LCD cables to appropriate headers or the OMEN Modular Hub
Installing the OMEN 1000W Power Supply
- Remove existing PSU:
- Disconnect all power cables from components
- Remove screws securing the PSU to the case
- Carefully extract the PSU
- Install new PSU:
- Place the OMEN 1000W PSU in the mounting location
- Secure with the provided screws
- Connect only the cables needed for your specific configuration
- Route cables through designated paths for optimal airflow
- Cable management:
- Use the modular design to eliminate unnecessary cables
- Route cables behind the motherboard tray when possible
- Secure with cable ties for a clean, airflow-friendly layout
Optimizing with OMEN Gaming Hub
Once your cooling upgrades are physically installed, OMEN Gaming Hub provides a comprehensive software interface for performance optimization and customization.
Custom Fan Curve Configuration
Create personalized cooling profiles that balance performance and noise:
- Open OMEN Gaming Hub and navigate to the System Vitals section
- Select the Fan Control tab
- Choose between preset profiles or create a custom fan curve
- For custom curves, adjust the temperature thresholds and corresponding fan speeds
- Save your profile for different scenarios (e.g., gaming, content creation, quiet mode)
ARGB Lighting and LCD Customization
Personalize your system's appearance through the OMEN Light Studio:
- Select the Light Studio tab within OMEN Gaming Hub
- Choose between preset lighting effects or create custom patterns
- Synchronize lighting across all ARGB components for a cohesive look
- For the LCD display (240mm AIO), select:
- System monitoring data (temperatures, clock speeds)
- Custom static images
- Animated GIFs
- Text displays
System Monitoring and Performance Management
Keep track of your cooling system's effectiveness:
- Use the System Vitals dashboard to monitor:
- CPU and GPU temperatures
- Fan speeds
- System load
- Create performance profiles linked to specific games or applications
- Analyze thermal performance during stress tests to validate your cooling solution
Real-World Benefits of Upgraded Cooling
Investing in HP's OMEN cooling upgrades delivers tangible performance improvements across multiple aspects of your gaming experience:
Temperature Reduction
Proper cooling can significantly lower component temperatures:
- CPU temperatures: 10-15°C reduction under load
- GPU temperatures: 5-10°C reduction in intensive gaming
- VRM and memory temperatures: More stable under extended use
Performance Stability
Lower temperatures translate directly to more consistent performance:
- Reduced or eliminated thermal throttling
- More stable frame rates during extended gaming sessions
- Fewer performance dips during intensive multitasking
Noise Management
Advanced cooling doesn't have to mean more noise:
- Zero RPM modes keep fans off during light workloads
- Fluid dynamic bearings reduce operational noise
- Custom fan curves allow precise noise/performance balance
- Better cooling efficiency requires lower fan speeds for the same cooling effect
Overclocking Potential
Additional thermal headroom enables performance tuning:
- Higher sustained CPU clock speeds
- Increased GPU boost frequencies
- Memory overclocking stability
- More aggressive power limits without thermal constraints
Component Longevity
Heat is a primary factor in component degradation:
- Lower operating temperatures extend component lifespan
- Reduced thermal expansion stress on solder joints and circuit boards
- More consistent temperatures reduce material fatigue
Cooling Upgrade Recommendations by Use Case
Different OMEN systems and usage scenarios call for tailored cooling solutions:
Budget-Conscious Upgrade (OMEN 16L)
Recommended Components:
- 3-4× 120mm 25mm ARGB fans
- Strategic placement for maximum airflow improvement
Benefits:
- Modest investment with significant thermal improvements
- Reduced noise compared to stock fans
- Enhanced ARGB lighting customization
Balanced Performance Upgrade (OMEN 35L)
Recommended Components:
- 240mm LCD liquid cooler
- 2-3× 120mm 28mm ARGB fans for case airflow
- Existing PSU (if adequate for your components)
Benefits:
- Substantial CPU temperature reduction
- Improved overall system airflow
- Added visual customization with LCD display
- Maintains reasonable budget while addressing key thermal areas
Maximum Performance Upgrade (OMEN 45L)
Recommended Components:
- 360mm ARGB liquid cooler
- Full complement of 120mm 28mm ARGB fans
- 1000W modular PSU with Zero RPM mode
Benefits:
- Ultimate cooling performance for high-end components
- Maximum overclocking potential
- Optimized cable management for superior airflow
- Whisper-quiet operation during light use
- Full thermal headroom for future component upgrades
Final Tips and Best Practices
Ensure your cooling upgrades deliver optimal performance with these expert recommendations:
Installation Best Practices
- Verify fan orientation before final installation—arrows on the fan frame indicate airflow direction
- Follow a balanced airflow approach with roughly equal intake and exhaust capacity
- Apply thermal paste correctly if not using pre-applied solutions
- Test components individually before completing your build to isolate any potential issues
Maintenance Schedule
- Clean dust filters monthly to maintain proper airflow
- Inspect and clean fan blades quarterly using compressed air
- Check liquid cooling systems for secure fittings every six months
- Update OMEN Gaming Hub and firmware when new versions are available
Optimization Strategies
- Run stress tests after installation to verify cooling performance
- Create different profiles for gaming, content creation, and quiet operation
- Monitor temperatures regularly to catch potential issues early
- Adjust fan curves seasonally to account for ambient temperature changes
Cool and Collected
HP's 2025 OMEN cooling solutions represent a perfect fusion of performance engineering and user-friendly design. By upgrading your OMEN PC with these specialized components, you're not just reducing temperatures—you're enhancing overall system performance, extending component lifespan, and creating a more enjoyable gaming experience.
Whether you opt for a simple fan upgrade or a comprehensive cooling overhaul, these OMEN-specific solutions deliver plug-and-play compatibility with your existing system, eliminating the guesswork and compatibility concerns often associated with aftermarket cooling.
Invest in your OMEN's cooling system today, and enjoy the benefits of stable performance, reduced noise, and enhanced reliability for years to come.
Elevate Your OMEN Gaming Experience
Explore HP's complete lineup of OMEN cooling solutions and gaming accessories:
- OMEN cooling upgrades designed specifically for your system
- OMEN gaming peripherals for a complete high-performance setup
- OMEN accessories to enhance your gaming experience
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