Cooler Master CPU Cooling Fan RR-S4KK-25SN Pro 212 Black 152mm

Description

Product Overview

The Cooler Master RR‑S4KK‑25SN‑R1 is a high‑performance CPU cooling fan designed for desktop processors. Built with an aluminum top and copper base, it combines durability with excellent heat transfer. The 152mm fan uses a PWM‑controlled blade curve to deliver up to 42 CFM airflow at 2500 RPM while maintaining a quiet 26 dB noise level. Its 4‑pin connector ensures easy integration with modern motherboards.

Usage

Ideal for gaming rigs, workstations, and content‑creation PCs, this fan fits both AMD R7 and Intel i7 CPUs. The redesigned brackets simplify mounting on AM5 and LGA 1851/1700 sockets, making it suitable for new‑generation builds and older platforms alike. Whether you’re overclocking or running demanding applications, the fan provides consistent cooling to maintain stable performance.

Why Choose Us

Cooler Master’s reputation for quality engineering backs this fan with a two‑year EU spare‑part guarantee. The combination of aluminum and copper ensures long‑term reliability, while the dynamic PWM control lets you balance cooling and acoustics. Our dedicated support team is ready to assist with installation queries and warranty service.

Key Features

• Aluminum and copper construction provides superior heat dissipation and durability.
• 152mm PWM fan delivers up to 42 CFM airflow while staying under 26 dB noise.
• Four‑pin connector allows precise speed control from 690 to 2500 RPM.
• Redesigned brackets simplify installation on AM5 and LGA 1851/1700 platforms.
• Two‑year EU spare‑part warranty and responsive customer support.

FAQ

Is this fan compatible with my Intel i7 processor?

Yes, the fan supports Intel i7 CPUs and includes brackets for LGA 1851 and LGA 1700 sockets.

Can I control the fan speed in BIOS?

The 4‑pin PWM connector lets you adjust fan speed through your motherboard’s BIOS or software utilities.

What is the noise level at maximum speed?

At 2500 RPM the fan operates at approximately 26 decibels, which is considered quiet for a high‑performance cooler.

Does the fan come with a warranty?

Yes, it includes a two‑year EU spare‑part warranty covering manufacturing defects.

Is the fan suitable for small form‑factor cases?

The 152mm height and flexible mounting brackets make it compatible with many mid‑tower and some compact cases.