17 inch laptop cooler max fans 1 fan dimensions 140 x 140 mm fan height 18 features stereo speakers max fan revolution 1 300 rpm min fan speed 800 max noise emission 29 db weight 095 kg materials metal fabric plastic connections 2 x usb 20 colour black series thermaltake massive power supply usb nominal voltage 5 v nominal current 027 a width 387 cm height 57 cm depth 282 cm