?This PC fan has 7 pieces of big blades which provide strong cooling capacity. Hydraulic structure， full copper coil and double seaming workmanship， all exquisite detail for bringing user pleasant experience.<br> <br> Features:<br> Hydraulic structure， ultra quiet.<br> Full copper coil， more durable.<br> Double seaming workmanship， avoid deformation.<br> 7 pieces of big blades provide strong cooling capacity.<br> 2000r / m to 2500r / m high speed rotation， more effectively cooling PC.<br> <br> Specifications:<br> Bearing type: Hydraulic bearing<br> Support CPU: For AMD， for Intel 775 1155<br> Speed: 2000r / m<br> Noise: 20DB<br> Service life: 30.000 hours<br> Voltage: 12V<br> Material: Aluminum and PC<br> Color: Blue<br> Item size: 12.0 * 5.3cm / 4.7 * 2.1in (D * H)<br> Item weight: 183.0 g / 6.5oz<br> Total size: 12.2 * 12.2 * 6.0cm / 4.8 * 4.8 * 2.4in (L * W * H)<br> Total weight: 247.0g / 8.7oz<br> <br> Package list:<br> 1 * Computer Fan<br> 1 * Bracket<br> 1 Pouch * Accessory<br>  <br>  <br>  <br>  <br>  <br>  <br>  <br>  <br>  <br>  <br>  <br>