paske y font des produit assez marrant ; jai choper un chti 5*5*15 ki ma marque par sa puissance (marche en 5v a 4000/4500 t kan jle passe en 12 ca fait helicoptere) avec armature en metal ..bref ca ma interpele et voila ce ke je trouve :

18*18*65 303CFM 63dB :>
ou encore des machins zarb genre :le miniblow et le radial cooler  


pire le therm-a-pipe...je ne peut ke vous faire un copier coller...
****Indek's Therm-A-Pipe heat pipe is an ideal heat  
          transfer medium for high density micro devices such as notebook computers,or where space is a problem.  
       
Therm-A-Pipe absorbs heat generated by components such as CPUs deep  
          inside the enclosed chassis, then transfers the heat to a convenient  
          location for discharge. With no power-consuming mechanical parts, heat  
          pipe is a silent, light weight, space-saving, and maintenance-free solution.  
       
Therm-A-Pipe is constructed of nickle plated compact copper. Every  
          heat pipe contains a small amount of a purified water under vacuum conditions,  
          and has a wick structure inside to provide the best thermal conduction,  
          quickest thermal response and uniformed thermal distribution.  
       
Therm-A-Pipe can be formed into a variety of shapes and sizes to meet  
          specific heat dissipation requirements, and to fit end users' applications.  
          Practical application of Therm-A-Pipe in micro devices often requires  
          integration with conventional cooling technology such as cooling fans  
          and heat sinks.
****
le site //www.indek.com/