4 pure copper heat pipes wear FIN technology. The heat pipe adopts double-row staggered design, the curved part is round and thick, and the top sintering process is exquisite.Increase the fin group, maximize the heat dissipation area, double heat conduction, faster heat dissipation, more effective4 pin 12CM fan with temperature control , using hydraulic technology and PWM temperature control design, volume, quiethome,office,Internet cafes, server preferred products. CPU 5 Direct Contact Heatpipes freeze Tower Cooling System CPU Cooling Double Fan with PWM 2 FansModel: MT-4 double fanProduct size: 148*127*100mmProduct weight: 790gFan size: 120*120*25mmBearing: hydraulic bearingSpeed: 900-1400+/-10%Noise: 18-20 dB(A) mute volume: 59 CFM MinVoltage: 12V DCCurrent: 032+/-10%A: 4-6WLife: 50,000 hoursSupport below 150W CPU for LGA1150/1151/1155/1156/1366/775 interface for Core I3/I5/I7/Pentium/Celeron/Xeon.(When installing the CPU heat sink need to add assembly base)Fit For AMD FM1/FM2,AM2/AM2+/AM3/AM3+/AM4 For Ryzen/Athlon/Phenom939/940/938,AMDX2/X3/X4/A10/A8/A6/A4/FX8/FX6/FX4colour:Photo ColorMaterial:PC+ copperPackage Contents:1 * cooling fanOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.