Description IMPORTANT NOTE: Use ONLY One Type of Power Connection at a time. You may short circuit your motherboard if you connect both connectors at a time. Features: Fan size: 140mm (W) * 140mm (D) * 25mm (H) Rotation speed: 1000pm±10% Air volume: 48.9CFM Noise: 23.1 db.A Voltage: DC 12V Current: 0.35A Bearing: Hydraulic bearing Interface: 1*3PIN 1*4PIN Power: 4.2W Weight: 150g Line length: 600mm Lifetime: 20000Hrs Package Includes: 3*  Fan 12*Mounting Screws