GOTD 12CM CPU Cooling Fan Computer PC Clear Case Quad Heatsink (12V 4 Pin) Connector:4pin, Dimension:12x12cm, Voltage:DC 12V 12v DC Brushless Fan for smooth & quiet operation Connects to your motherboard with a 4-pin Molex connector It is easy to use,Convenient to fix on your pc case or cpu vga heatsink ,and use on other product,to keep your pc in a Normal temperature environment.