The Noctua NF-F12 IndustrialPPC-300 PWM is a high-quality computer case fan designed for optimal cooling performance. With a fan diameter of 120mm and a maximum fan speed of 3000 RPM, this fan is capable of efficiently cooling RAM and other components in a computer system. The fan features a black plastic construction with a ball bearing type for durability and reliability. Additionally, the fan has a 4-pin power connection and is compatible with a universal range of brands. With a manufacturer warranty of 1 year and a voltage of 12V, this Noctua fan is a reliable choice for maintaining optimal system performance.