This CPU fan adopts 4 full copper heat pipes and dual tower designed heat sinks， all for creating strong cooling capacity. It has 4 interfaces for speed adjusting and it can be expanded to 4 fans in maximum. With it， you have no need to worry about the fever of your CPU.<br> <br> Features:<br> 4 full copper coils， more durable， better cooling capability.<br> 4 interfaces for speed adjusting.<br> Hydraulic structure， ultra quiet.<br> Dual tower designed heat sinks， high quality， exquisite detail.<br> Expansion function supports 4 fans in maximum.<br> <br> Specifications:<br> Bearing type: Hydraulic bearing<br> Voltage: 12V DC<br> Current: 0.2±10% A<br> Speed: 2500±10% RPM<br> Noise: 20DB<br> Material: Aluminum， copper<br> Color: Orange， silver<br> Item size: 10.5 * 10.5 * 13.5cm / 4.1 * 4.1 * 5.3in (L * W * H)<br> Item weight: 463.0g / 1.0Lb<br> Total size: 25.0 * 16.8 * 10.7cm / 9.8 * 6.6 * 4.2in (L * W * H)<br> Total weight: 651.0g / 1.4Lb<br> <br> Package list:<br> 1 * Computer fan<br> 1 Pouch * Accessory<br>  <br>  <br>  <br>  <br>  <br>  <br>  <br>  <br>  <br>