větrák Coolermaster Excalibur 120x120, barometric ball bearing, 13dBA, PWM function Dimension 120 x 120 x 25 mm Speed (R.P.M.) 600 - 2000 RPM ± 10% Air Flow (CFM) 26.4 - 85.6 CFM ± 10% Air pressure (mmH2O) 0.75 - 3.53 mmH2O Noise 13 - 30 dBA Bearing Type Barometric Ball Bearing Fan Life Expectancy 100,000 hours Voltage 12 V DC Current (Ampere) 0.45A Max. Power consumption 6 W Max. Weight 127.8 g Connector 4 Pin Accessory Rubber screw x 4 Metal screw x 4 Rubber pad x 4 4-to-3 Pin adapter x 1 Note Please be careful of the sharp edges to avoid injury http://www.coolermaster.com/product.php?product_id=6634