Arctic Freezer 4U M is a CPU air cooler having including Intel's LGA 4189 and LGA 4677, as well as AMD's SP6, sTR5, SP3, TR4, sTRX4, and sWRX8 sockets. It is compact design with dimensions of just 156 x 124 mm. Features: Versatile Multi-Compatible Server Cooler The Freezer 4U-M stands as a multi-compatible server cooler, boasting an expansive contact surface and an enhanced mounting mechanism. It now offers compatibility with a wide range of Intel and AMD server processors, including Intel's LGA 4189 and LGA 4677, as well as AMD's SP6, sTR5, SP3, TR4, sTRX4, and sWRX8 sockets. Remarkably, despite its impressive cooling capabilities, the Freezer 4U consumes a mere 2.88 watts, ensuring exceptional efficiency in cooling even the most powerful processors with up to 96 cores and a TDP of up to 350 watts.

Addressable RGB for Full Colour Control The P12 PWM PST A-RGB has 12 digital A-RGB LEDs in the center fan wheel. These can be controlled independently of each other and are compatible with the common A-RGB standards of leading motherboard manufacturers. The fan can thus be fully illuminated directly the A-RGB mainboard connector or via an external controller and synchronised with the illumination of other hardware. ARCTIC's partner SignalRGB offers a comprehensive solution for synchronisation and individual configuration of the illumination.

Addressable RGB for Full Colour Control The P12 PWM PST A-RGB has 12 digital A-RGB LEDs in the center fan wheel. These can be controlled independently of each other and are compatible with the common A-RGB standards of leading motherboard manufacturers. The fan can thus be fully illuminated directly the A-RGB mainboard connector or via an external controller and synchronised with the illumination of other hardware. ARCTIC's partner SignalRGB offers a comprehensive solution for synchronisation and individual configuration of the illumination.

Highest Thermal Conductivity The surfaces of processor chips and cooler floors are covered with microscopic dents; ARCTIC‘s MX-4 thermal paste is composed of microparticles which fill these cavities. This leads to extremely high thermal conductivity, guaranteeing that heat is dissipated quickly and efficiently from the CPU or GPU. With its outstanding performance, the MX-4 is not only an excellent choice for overclockers and enthusiasts, but also for other applications that require thermal transmission. MX-4 proves without a doubt that great performance does not necessarily require a high price.

20% Better Performance With its improved composition, the ARCTIC MX-6 has a measurably lower thermal resistance than the MX-4. We measured the absolute thermal resistance of both pastes on our lab-testing machine, which is much more accurate than a CPU. Two factors are mainly relevant: Conductivity Minimum Bond Line thickness A lower thermal resistance of the paste leads to a lower temperature difference between CPU and cooler.

Maximum Quietness, Minimum Vibration Even at low speeds the operating sound of the new ARCTIC motor is barely noticeable. Due to a sinus-magnetizing the new motor only creates about 5 % of the vibration from commutation of a regular DC-motor without filter.

Liquid Freezer III 360 A-RGB – Tested and Confirmed by Intel Intel has tested and confirmed the Liquid Freezer III on the i9-13900K/KF, i9-14900K/KF and i9-13900KS in the Enthusiast and Desktop category. In these tests, Intel considered both the mounting with contact frame and the cooler's performance.

Future-Proof Compatibility The Liquid Freezer III is multi-compatible with Intel and AMD sockets. Intel will release the new Arrow Lake processors on the LGA1851 socket in the future. We guarantee full compatibility. All Liquid Freezer III can be used with the new LGA1851 socket from Intel without limitation. *Extend the compatibility with LGA1200, LGA1156, LGA1155, LGA1151 and LGA1150 sockets using the LGA1200/115X Mounting Kit.

Liquid Freezer III 420 A-RGB – Tested and Confirmed by Intel Intel has tested and confirmed the Liquid Freezer III on the i9-13900K/KF, i9-14900K/KF and i9-13900KS in the Enthusiast and Desktop category. In these tests, Intel considered both the mounting with contact frame and the cooler's performance. Intel® Product Compatibility Tool

Liquid Freezer III 420 A-RGB – Tested and Confirmed by Intel Intel has tested and confirmed the Liquid Freezer III on the i9-13900K/KF, i9-14900K/KF and i9-13900KS in the Enthusiast and Desktop category. In these tests, Intel considered both the mounting with contact frame and the cooler's performance. Intel® Product Compatibility Tool

PWM Sharing Technology (PST) Lowers Noise If you want to improve the cooling efficiency of your computer you get several case fans working in parallel (since it takes ten fans to double the noise level). But what does it help if they don't work together? The PST assures that all of your fans listen to one control signal. E.g. you share the CPU Cooler's PWM signal and assure that your case fans stand down at low load and spin up whenever necessary.

Future-Proof Compatibility The Freezer 36 A-RGB is multi-compatible with Intel and AMD sockets. Intel will release the new Arrow Lake processors on the LGA1851 socket in the future. We guarantee full compatibility. All Freezer 36 can be used with the new LGA1851 socket from Intel without limitation. *Extend the compatibility with LGA1200, LGA1156, LGA1155, LGA1151 and LGA1150 sockets using the LGA1200/115X Mounting Kit.