Intel has launched the Core Ultra 200S Series CPUs, and Cooler Master is ready with cooling solutions that are fully compatible with the new LGA1851 socket. Read on to learn how Cooler Master’s advanced cooling lineup guarantees optimal performance for these next-generation CPUs.

Supporting Intel's Latest Innovations: LGA1851 Socket and RL-ILM

The Core Ultra 200S CPUs bring significant architectural changes designed to enhance efficiency and lower temperatures. While Intel’s improvements to semiconductor architecture play a big part, there’s also been a design change in the form of a new socket: the LGA1851, paired with the RL-ILM (Reduced Load - Integrated Lever Mechanism).

The RL-ILM aims to address some of the common thermal and mechanical issues present in older mechanisms by reducing the loading pressure and providing a flatter load plate. This change mitigates the risk of the CPU's IHS (Integrated Heat Spreader) bending, ensuring more consistent and direct contact with the cooling plate. Cooler Master has always prioritized high-quality engineering, which is why many of our cooling solutions—designed for the previous LGA1700—are also compatible with LGA1851 (See Table).

Compatibility You Can Trust

Whether you’re using the flagship MasterLiquid Ion Series or the versatile MasterLiquid Core Series, your Cooler Master cooling solution is ready to deliver exceptional performance with Intel’s latest CPUs. Here’s how our cooling solutions fit perfectly with the new socket:

• LGA1851 Compatibility: All of Cooler Master’s cooling solutions that supported the LGA1700 socket are compatible with LGA1851. This includes our most advanced liquid coolers, engineered with the versatility to fit evolving standards and maximize cooling efficiency.

• RL-ILM Compatibility: Not all Cooler Master cooling solutions support Intel's RL-ILM (Reduced Load - Integrated Lever Mechanism). RL-ILM features lower load pressure on the CPU but requires greater mounting pressure from the cooler—up to 35 pounds. While some LGA1700-compatible coolers can meet this requirement, others may not.

This table shows our current retail products that support both LGA 1851 and RL-ILM. It will help you identify which Cooler Master cooling solutions are compatible with Intel's latest advancements. For the most up-to-date information on compatible products, visit Cooler Master’s CPU Compatibility Page.

Understanding the Evolution from ILM to RL-ILM

The RL-ILM is a leap forward in protecting the longevity and efficiency of your CPU. The older ILM utilized a higher loading pressure, which often led to bending in the CPU’s IHS. This bending could interfere with cooler-to-IHS contact, diminishing the cooling efficiency and raising the risk of CPU malfunction.

In contrast, the RL-ILM reduces the loading force, preventing the IHS from bending and ensuring an even, solid contact between the CPU and the cooling solution. This means lower CPU temperatures and better reliability, but it requires a CPU cooler with stronger mounting pressure (35 pounds)—which is where Cooler Master’s commitment to quality comes in. Our solutions are engineered to meet and exceed these mounting requirements, providing users with the full thermal advantages of Intel’s latest design.

Practical Tips for Upgrading

When upgrading to Intel’s new Core Ultra 200S CPUs, it’s important to ensure your entire system is RL-ILM-ready:

1. Check Your Motherboard: Not all motherboards with the LGA1851 socket automatically include the RL-ILM. Be sure to verify if your motherboard uses the updated mechanism, as the benefits of the RL-ILM will only be realized when both the CPU Socket and cooler are compatible.

2. Optimal Cooler Pressure: To gain the maximum advantages of the RL-ILM, ensure your cooler provides strong mounting pressure. Cooler Master’s solutions are designed to beat usual standards, so you’re covered.

3. Cooling Compatibility: Refer to our compatibility list for detailed information about which coolers are ready to deliver top-tier performance for Intel’s latest CPUs.

Cutting-Edge Coolers for Cutting-Edge CPUs

Cooler Master’s portfolio of cooling solutions caters to diverse user needs—from high-end PC enthusiasts to mainstream users looking for efficiency and value. Here’s a quick overview of our compatible coolers:


CPU Air Coolers

• Hyper 212 Series: The Hyper 212 Series is well-known for its efficient air-cooling performance, featuring multiple models that all leverage in-house designed heat pipes to maximize thermal efficiency. With a focus on powerful cooling in a stylish, compact design, the Hyper 212 series ensures excellent cooling for modern CPUs while maintaining compatibility with most RAM configurations thanks to its asymmetrical layout.

• Hyper 622 Series: The Hyper 622 Series builds on Cooler Master’s legacy of high-performance air cooling by incorporating a dual tower, dual fan setup with six heat pipes. This configuration enhances heat dissipation, making it suitable for demanding CPUs. The series also features the distinctive Halo Black aesthetic with ARGB fans, offering a balance of performance, visuals, and broad chassis compatibility.

• MA824 Stealth: The MA824 Stealth is a high-end air-cooling solution that features eight superconductive composite heat pipes and a dual tower design to ensure maximum cooling performance. This series includes dual Mobius fans set up in a staggered push-pull configuration, allowing for optimal airflow. The all-black Stealth design provides a premium appearance while delivering exceptional cooling performance for even the most powerful CPUs.


CPU AIO Liquid Coolers

• MasterLiquid Core Series: Equipped with the innovative dual-chamber Gen S design, this series optimizes water flow and pressure for superior cooling performance. Ideal for enthusiasts and value-seekers alike, the MasterLiquid Core Series ensures sustained performance and reliability.

• MasterLiquid Atmos Series: This series delivers a signature balance of efficiency, aesthetics, and customization. The pump top cover allows users to get creative with 3D-printed designs while Cooler Master’s thermal expertise ensures that Intel’s Core Ultra 200S CPUs perform at their best.

• MasterLiquid Ion Series: Our flagship cooler combines a dual-chamber design with an interactive 2.1-inch IPS LCD screen, offering both exceptional cooling and the ability to personalize your setup. Whether you’re overclocking or managing a heavy workload, the MasterLiquid Ion Series keeps your CPU’s temperatures under control.

Cooler Master’s Dedication to Thermal Excellence

Our commitment to the cooling market has always been about more than just being compatible with the latest hardware. It’s about ensuring that every Cooler Master product not only meets standards but exceeds them, providing the utmost in reliability, efficiency, and innovation. By aligning with Intel’s latest developments, we continue to shape the future of cooling technology and empower users to get the most out of their systems.

The new Intel Core Ultra 200S processors promise powerful performance and efficiency, and Cooler Master is ready to keep things running cool—no matter what challenge you put your CPU through. Upgrade your cooling today and experience the Cooler Master advantage firsthand.

For the latest information on compatible products, visit Cooler Master’s CPU Compatibility Page.