Fast cooling your cpu and helps your computer perform well. <br><br><strong>Features:</strong> <br>Aluminum alloy design， efficent in cooling your cpu. <br>Big fan， 1800rpm fan for stronger cooling. <br>Low power， low noise， long life. <br>Small size， very easy to install. <br><br><strong>Specifications:</strong> <br>Type: cpu radiator <br>Biaring type: hydraulic <br>Voltage: DC 12V <br>Support CPU: For Intel LGA775/1155/1156: Core 2 DUO， Celeron， Pentium 4， Pentium D， PENTIUM(64)， Core i7， Core i5， Core i3: AMD Am2 AMD S-754/939/940: Sempron， Athlon 64/64x2/FX 62/Opteron <br>Noise: ≤24dBA <br>Speed: 1800rpm±10% <br>Lifespan: 50000 hours <br>Item size: 12.5 * 12.5 * 6.5cm / 4.9 * 4.9 * 2.55in ( L * W * H ) <br>Package weight: 252g / 8.89oz <br>Item size: 13 * 13 * 7.5cm / 5.11 * 5.11 * 2.95in ( L * W * H ) <br><br><strong>Package list:</strong> <br>1 * Cooler <br>1 * Install Bracket