Ultra-thin design with an overall height of 19MM (excluding backplane), meeting the special height requirements of HTPC and 1U systems Constructed with copper for improved thermal conductivity Features an 80mm 4-pin 8015 fan for intelligent temperature control, efficient performance, and quiet operation Backplane mounting buckle supports 115X/1200 (75x75MM) platforms Rotation speed: 1000-3200RPM 10% Bearing type: Ball bearing Interface: PWM 4-pin Rated voltage: 12V Rated current: 0.3A Airflow: 42CFM Noise level: 11-28dB Color: As shown in image Material: Copper + Plastic Package includes: 1 x Radiator (Note: Product appearance may vary slightly between batches, but functionality remains unchanged) Content limited to items listed; other accessories not included Note: Lighting and display differences may cause slight color variations between the image and actual product. Measurement tolerance: 1-3cm