The Corsair iCUE H150i Elite Capellix XT is a high-performance liquid CPU cooler featuring a 360mm radiator and three ML120 RGB ELITE fans. It offers customizable RGB lighting and a low-noise pump design, ideal for both performance and aesthetics.
Overview of the iCUE H150i Elite Capellix XT
The Corsair iCUE H150i Elite Capellix XT is a premium all-in-one liquid CPU cooler designed for exceptional cooling performance and vibrant aesthetics. Featuring a large 360mm radiator and three high-performance ML120 RGB Elite fans, it ensures efficient heat dissipation while maintaining low noise levels. The cooler is equipped with customizable RGB lighting, allowing users to personalize their setup through Corsair’s iCUE software. Its sleek design and robust construction make it a top choice for enthusiasts and builders seeking both power and style.
The H150i Elite Capellix XT supports a wide range of Intel and AMD sockets, including LGA 1700, LGA 1200, and AM4, ensuring compatibility with the latest CPUs. The included manual provides detailed installation instructions, making it easier for users to set up the cooler on their systems. With its advanced features and user-friendly design, the H150i Elite Capellix XT stands out as a versatile and high-quality cooling solution for modern PCs.
Key Features of the iCUE H150i Elite Capellix XT
The iCUE H150i Elite Capellix XT boasts exceptional cooling performance with its 360mm radiator and three ML120 RGB Elite fans, ensuring efficient heat dissipation. It features customizable RGB lighting, allowing users to personalize their setup via Corsair’s iCUE software. The cooler is designed for low noise operation, making it ideal for both gaming and everyday use. With a robust pump and advanced cooling technology, it delivers reliable performance for high-performance CPUs.
The H150i Elite Capellix XT also includes a pre-installed Intel mounting bracket for quick installation and supports a wide range of Intel and AMD sockets, including LGA 1700, LGA 1200, and AM4. Its sleek design and high-quality construction make it a standout choice for enthusiasts seeking a balance of power, efficiency, and aesthetics. The cooler’s compatibility with Corsair’s ecosystem ensures seamless integration with other iCUE-enabled components, enhancing overall system customization and control.
Importance of the Manual for Installation and Setup
The manual for the iCUE H150i Elite Capellix XT is essential for ensuring a smooth and successful installation process. It provides detailed step-by-step instructions, helping users navigate the setup of the cooler, radiator, and RGB lighting system. The guide also covers compatibility with various Intel and AMD sockets, such as LGA 1700, AM4, and others, ensuring proper installation on different motherboards.
Additionally, the manual includes troubleshooting tips for common issues like noise, vibration, or RGB malfunctions, helping users resolve problems quickly. It also emphasizes safety precautions, such as powering down the PC before installation, to prevent damage to components. By following the manual, users can optimize the cooler’s performance, ensuring efficient cooling and quiet operation. The manual’s clear instructions and comprehensive coverage make it an indispensable resource for both novice and experienced builders.

Manual Contents and Structure

The manual provides a comprehensive guide, including a quick start guide, detailed installation steps, compatible sockets, and a FAQ section. It ensures smooth setup and troubleshooting for optimal performance.
Quick Start Guide for Initial Setup
The quick start guide provides a streamlined process for installing the iCUE H150i Elite Capellix XT. Begin by ensuring your PC is powered down and prepare the case for installation. If your case lacks a CPU cut-out, remove the motherboard for easier access. The cooler comes with an Intel mounting bracket pre-installed on the pump, simplifying the process for Intel users. For AMD setups, ensure the correct mounting hardware is selected. Mount the cooler to the CPU, securing it firmly. Connect the fans to the radiator and link the RGB and pump cables to the COMMANDER CORE or motherboard. Use the iCUE software to customize lighting, monitor temperatures, and adjust fan speeds. Finally, power on your system and verify proper operation. This guide ensures a seamless setup, allowing you to maximize cooling performance and aesthetic customization.
Detailed Installation Instructions
For a successful installation of the iCUE H150i Elite Capellix XT, begin by preparing your system. Ensure the PC is powered down and unplug all components. If your case lacks a CPU cut-out, remove the motherboard for easier access. The cooler includes a pre-installed Intel mounting bracket, simplifying installation for Intel users. For AMD systems, attach the appropriate mounting hardware to the pump. Secure the cooler to the CPU, ensuring even pressure. Install the radiator in the case, typically at the top or front, and attach the fans. Connect the fans to the radiator and link the RGB and pump cables to the COMMANDER CORE or motherboard. Use the iCUE software to configure lighting, monitor temperatures, and adjust fan speeds. Double-check all connections and ensure the system is properly grounded. Power on the PC and verify that the pump and fans are operational. This step-by-step process ensures a secure and efficient installation, optimizing both performance and aesthetics.
Compatible Intel and AMD Sockets
The iCUE H150i Elite Capellix XT is designed to support a wide range of Intel and AMD sockets, ensuring compatibility with most modern CPUs. For Intel, it supports LGA 1150, 1151, 1155, 1156, 1200, 1700, and 2066 sockets. AMD compatibility includes AM4, sTR4, and sTRX4 sockets, catering to Ryzen and Threadripper processors. This versatility makes the cooler a flexible choice for various builds, whether upgrading an existing system or constructing a new one. The comprehensive socket support ensures optimal performance across different platforms, maintaining efficient cooling for both Intel and AMD CPUs. This broad compatibility is a key feature, allowing users to pair the cooler with their preferred processor without concerns about compatibility issues. The manual provides detailed instructions for each socket type, ensuring a seamless installation process regardless of the chosen platform.
FAQ Section for Common Queries
The FAQ section of the iCUE H150i Elite Capellix XT manual addresses common questions and concerns, providing quick solutions for users. It covers topics such as installation issues, RGB lighting malfunctions, and noise problems. For example, users can find guidance on resolving pump noise or fixing connectivity issues with the iCUE software. The FAQ also includes troubleshooting steps for leaks or faulty sensors, ensuring users can identify and resolve problems efficiently. Additionally, it offers tips for optimizing cooling performance and customizing RGB settings. The section is designed to be user-friendly, with clear and concise answers to help users navigate common challenges. Regularly updated, the FAQ ensures that users have access to the latest information and solutions. Whether you’re a novice or an experienced builder, the FAQ section serves as a valuable resource for maintaining and upgrading your cooling system. If your question isn’t listed, you can submit it directly for further assistance.
Installation Process
The iCUE H150i Elite Capellix XT manual provides a comprehensive guide for installation, covering Intel and AMD socket compatibility. It includes steps for mounting, connecting fans, and testing the cooler, ensuring a smooth setup process.
Step-by-Step Installation Guide
Begin by powering down your PC and preparing the case. Ensure the case has a CPU cut-out for motherboard access; if not, remove the motherboard before installation. The iCUE H150i Elite Capellix XT comes with an Intel mounting bracket pre-installed on the pump for quick setup. For AMD installations, refer to the manual for specific socket compatibility, including AM4. Install the radiator in a well-ventilated area, securing it with screws. Mount the cooler on the CPU, ensuring proper alignment and even pressure. Connect the fans to the radiator and the pump to the motherboard. Utilize the COMMANDER CORE for RGB and fan control. Power on the system and test the cooler’s operation, checking for leaks or unusual noise. Follow the manual’s detailed instructions for a seamless setup, ensuring optimal performance and aesthetics.
Preparing the Case for Installation
Before installing the iCUE H150i Elite Capellix XT, ensure your PC case is properly prepared. Check if your case has a CPU cut-out, which allows access to the motherboard’s CPU area. If your case lacks this feature, you’ll need to remove the motherboard for installation. Next, identify a suitable location for the 360mm radiator, ensuring it fits securely and maintains good airflow. Clean the case to prevent dust interference and plan cable management routes to avoid obstruction. If using an AMD socket, verify compatibility with the provided mounting hardware. Finally, ensure all necessary screws and brackets are within reach. Proper case preparation ensures a smooth and efficient installation process, minimizing the risk of complications during setup.

Mounting the Cooler on the CPU

Mounting the iCUE H150i Elite Capellix XT cooler on the CPU requires precision and care. Begin by ensuring the Intel mounting bracket is pre-installed on the pump, as it comes ready for Intel sockets. For AMD systems, attach the provided AMD mounting bracket to the pump. Align the cooler with the CPU socket, ensuring the mounting screws match the holes on the motherboard. Gently lower the cooler onto the CPU, making sure it sits evenly. Secure the cooler using the provided screws, tightening them in a star pattern to avoid uneven pressure. Apply a thin, even layer of thermal paste to the CPU die before installation for optimal heat transfer. Once mounted, ensure the cooler is tightly sealed to the CPU to maximize cooling efficiency. Handle the pump module carefully to avoid damaging the internal components. Proper mounting ensures reliable performance and prevents potential damage to your CPU or cooler.
Connecting Fans and RGB Lighting
Connecting the fans and RGB lighting of the iCUE H150i Elite Capellix XT is a straightforward process. Start by connecting the ML120 RGB Elite fans to the radiator using the provided fan screws. Ensure the fans are securely fastened to the radiator for optimal airflow. Next, connect the fan power cables to the Commander Core or a compatible fan controller. For RGB lighting, connect the RGB cables from the fans and pump to the Commander Core or a Corsair iCUE-compatible lighting hub. Use the iCUE software to customize lighting effects, synchronize colors, and adjust fan speeds. Ensure all cables are securely connected to avoid loose connections, which could cause malfunctions. Finally, power on your system and use the iCUE software to test and configure the lighting and fan settings. Properly connected fans and RGB lighting ensure both performance and aesthetic customization.
Testing the Cooler After Installation
After completing the installation, it’s crucial to test the iCUE H150i Elite Capellix XT to ensure proper functionality. Start by powering on your system and checking if the pump and fans are operational. Use the iCUE software to monitor the cooler’s performance, including pump speed, fan RPM, and CPU temperature. Verify that the RGB lighting is functioning correctly and synchronized with your system. Run a stress test or benchmarking tool to assess cooling performance under load. Ensure the system remains stable and temperatures are within acceptable ranges. Additionally, check for any leaks by inspecting the radiator and tubing for signs of moisture. If everything operates smoothly, the installation is successful. This step ensures optimal performance and confirms that the cooler is ready for long-term use. Proper testing guarantees reliability and maximizes your system’s efficiency.

Features and Capabilities
The iCUE H150i Elite Capellix XT offers a 360mm radiator, three ML120 RGB Elite fans, customizable RGB lighting, and a low-noise pump. It supports both Intel and AMD sockets, ensuring compatibility and high performance.
Cooling Performance and Efficiency

The iCUE H150i Elite Capellix XT delivers exceptional cooling performance with its 360mm radiator and three ML120 RGB Elite fans, ensuring efficient heat dissipation. The low-noise pump design minimizes operational sound, while the radiator’s large surface area maximizes cooling capacity. The fans operate quietly, even at high speeds, making it ideal for both gaming and silent computing environments. The cooler supports a wide range of Intel and AMD sockets, including LGA 1700, AM4, and more, ensuring compatibility with modern CPUs. Its advanced cooling system is designed to handle high-performance processors, maintaining optimal temperatures under heavy workloads. The customizable fan curves and pump settings via iCUE software allow users to fine-tune performance for their specific needs. This balance of power and efficiency makes the H150i Elite Capellix XT a top choice for enthusiasts seeking reliable and quiet cooling solutions.
Customizable RGB Lighting Options
The iCUE H150i Elite Capellix XT offers extensive RGB lighting customization, allowing users to personalize their setup with vibrant, dynamic lighting effects. The cooler features 16 individually addressable RGB LEDs on the pump and fans, which can be synchronized to create stunning visual displays. Using the iCUE software, users can choose from a wide range of preset lighting profiles or create custom patterns to match their system’s aesthetic. The lighting can also be coordinated with other iCUE-compatible devices, such as RAM, keyboards, and mice, for a unified look. Additionally, the pump’s LCD screen can display customizable images or information, adding another layer of personalization. This level of RGB control makes the H150i Elite Capellix XT a standout choice for enthusiasts who value both performance and visual appeal in their builds.
Software Integration with iCUE
The iCUE H150i Elite Capellix XT seamlessly integrates with Corsair’s iCUE software, offering advanced control over cooling performance, lighting, and system monitoring. Users can adjust pump and fan speeds, customize RGB lighting effects, and monitor temperatures in real-time. The software also enables synchronization of lighting across other iCUE-compatible devices, creating a cohesive and personalized system aesthetic. Additionally, the iCUE platform allows for setting custom profiles and macros, enhancing user convenience. This integration ensures optimal performance and visual customization, making it a powerful tool for enthusiasts and builders seeking precise control over their PC’s cooling and lighting systems.
Maintenance and Upkeep
Regular maintenance ensures optimal performance. Clean dust from the radiator and fans for better airflow. Update firmware for enhanced functionality and check for leaks to prevent potential issues.
Cleaning the Radiator and Fans
Regular cleaning of the radiator and fans is essential for maintaining optimal cooling performance. Start by powering down your PC and disconnecting the power supply to ensure safety. Use compressed air to gently remove dust and debris from the radiator fins and fan blades. Avoid using liquids or abrasive materials, as they may damage the components. For stubborn dust buildup, a soft-bristle brush can be used to carefully sweep away particles. Ensure all areas are dry before reconnecting the power. Cleaning the radiator and fans regularly improves airflow, reduces noise, and prevents overheating. Additionally, inspect the radiator hoses for kinks or blockages and straighten them if necessary. Proper maintenance ensures the cooler operates efficiently and extends its lifespan. Always follow the manufacturer’s guidelines for cleaning to avoid damage to the unit.
Updating Firmware for Optimal Performance
To ensure the iCUE H150i Elite Capellix XT operates at its best, regular firmware updates are crucial. Start by connecting the cooler to the COMMANDER CORE and launching the iCUE software. Navigate to the “Devices” section, select the cooler, and check for available firmware updates. Follow the on-screen instructions to download and install the latest version. Updating the firmware enhances performance, adds new features, and resolves potential issues. Always use the official Corsair iCUE software to avoid compatibility problems. After updating, restart your system to apply the changes. Regular firmware updates ensure optimal cooling, RGB lighting synchronization, and pump performance. For detailed steps, refer to the official PDF manual or Corsair’s support website. Keeping the firmware up-to-date is essential for maintaining peak efficiency and troubleshooting any software-related issues.
Troubleshooting Common Issues

Addressing noise, vibration, or RGB malfunctions starts with checking connections and firmware updates. For pump issues, ensure proper installation and refer to the manual for diagnostic steps and support resources.
Addressing Noise or Vibration Problems
Noise or vibration issues with the iCUE H150i Elite Capellix XT can often be resolved by ensuring proper installation and balancing of components. First, check that the pump and radiator are securely mounted, as loose screws can cause vibrations. Ensure the fans are installed correctly and evenly spaced to avoid imbalance. If noise persists, verify that the pump speed is set appropriately using the iCUE software, as high speeds may increase noise levels. Additionally, ensure the case has adequate airflow to prevent overheating, which can lead to increased fan noise. If vibrations continue, consider using anti-vibration mounts or pads for the radiator and fans. Finally, refer to the manual for troubleshooting steps or contact Corsair support for further assistance if the issue persists.
Resolving RGB Lighting Malfunctions
If the RGB lighting on your iCUE H150i Elite Capellix XT is malfunctioning, start by ensuring all connections are secure. Verify that the RGB cables are properly connected to the COMMANDER CORE or compatible RGB controller. Restart your system to reset the lighting system. If issues persist, check the iCUE software for firmware updates, as outdated firmware can cause lighting malfunctions. Ensure the lighting settings are correctly configured in the software. If individual LEDs are not lighting up, inspect for physical damage or debris. For synchronization issues, reset the lighting profile to default and reapply your desired settings. If the problem remains unresolved, contact Corsair support for further assistance or potential hardware replacement. Always refer to the manual for detailed troubleshooting steps to address RGB lighting concerns effectively.
Fixing Leaks or Pump Issues
If you suspect a leak or pump malfunction with your iCUE H150i Elite Capellix XT, start by powering down your system and disconnecting the cooler. Inspect the radiator, hoses, and pump for visible signs of damage or moisture. Check all connections to ensure they are secure and not loose. If a leak is detected, turn the system off immediately to prevent further damage. For pump issues, verify that the pump is operational by checking for noise or vibration. If the pump is silent or vibrating excessively, it may indicate a malfunction. Clean any debris that could be obstructing the pump or radiator. If the issue persists, contact Corsair support for warranty assistance or replacement. Regular maintenance, such as cleaning the radiator and ensuring proper coolant levels, can help prevent leaks and pump failures. Always follow the manual’s guidelines for handling and maintaining the cooler.

Conclusion and Resources
The iCUE H150i Elite Capellix XT manual provides comprehensive guidance for installation, maintenance, and troubleshooting. For further assistance, visit Corsair’s official website for detailed resources, FAQs, and support links.
Summary of Key Points

The iCUE H150i Elite Capellix XT manual is a comprehensive guide for installing, maintaining, and troubleshooting the high-performance liquid CPU cooler. It covers key features like the 360mm radiator, ML120 RGB ELITE fans, customizable RGB lighting, and low-noise pump design. The manual emphasizes compatibility with both Intel and AMD sockets, including LGA 1700, AM4, and more. Detailed installation steps are provided, along with tips for preparing the case, mounting the cooler, and connecting fans and RGB lighting. Maintenance sections focus on cleaning the radiator and updating firmware for optimal performance. Troubleshooting guides address common issues like noise, RGB malfunctions, and pump leaks. Additional resources, including FAQs and support links, are available for further assistance. The manual is available in English and has been rated highly for its clarity and usefulness. It is essential for both new and experienced users to ensure proper setup and long-term efficiency of the cooler.
Additional Resources and Support Links
For further assistance with the iCUE H150i Elite Capellix XT, Corsair provides a range of resources. The official Corsair website offers detailed product pages, downloadable PDF manuals, and quick start guides. Additionally, the manual.nz platform hosts the user manual and FAQs. Video tutorials on platforms like YouTube guide users through installation and troubleshooting. Corsair’s support page includes a comprehensive FAQ section, warranty information, and contact details for 24/7 customer support. Users can also engage with the Corsair community forums for peer-to-peer advice. These resources ensure users can maximize the cooler’s performance and resolve any issues efficiently.