Thermaltake Allways Cool /4 Adjustable Silent Fans CLN0030 Color: Black Specifications: Application: Up to 17 Notebook Weight: 735g Dimension: 390 x 290 x 20 mm Material: Aluminum and Plastic Accessory: USB (45cm) Dimension: 60 x 10 mm Rated Voltage: 5 V Rated Current: 0.07 A Fan Speed: 2000 R.P.M. Noise: 16.7 dBA Max. Air Flow: 7.9 CFM Max. Air Pressure: 1.11 mmH2O