Compatible with DDR series memory cooling and other memory cooling options for versatile use. Enhanced airflow with a fan airflow of 13.5 CFM and air pressure of 2.3 mmH2O for efficient heat dissipation. Dual fans with adjustable speeds from 1000 to 4500 rpm provide efficient cooling for your memory modules. Low-noise operation at 28dBA ensures a quiet computing environment. Features both 4-pin PWM and 3-pin ARGB interfaces for compatibility with various motherboards and easy control and customization. Item Name: Heat Sink Material: Aluminum Fan Speed: 1000-450010%RPM Fan Air Volume: 13.5 CFM Fan Air Pressure: 2.3 MmH2O Fan Noise: 28dBA Fan Interface: 4-pin PWM/3-pin ARGB Bearings: for Hydraulic Bearings Rated Voltage: Fan: Direct Current 12V LED: Direct Current 5V Rated Current: Fan: 0.05A/LED: 0.216A Rated Power: 3.36W Features: ARGB Aura Sync, PWM Temperature Control, Low Noise Size Details: L: 14cm/5.51", W: 7.5cm/2.95", H: 6cm/2.36" (Approx.) Fan Size: 5cm x 5cm x 2.5cm/1.97" x 1.97" x 0.98" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Heat Sink