Salut,
Ce systéme sert a mettre 2 ventilo sur un rad.
Un qui envoie et l'autre qui tire.
Push pull => http://benchmarkreviews.com/images/reviews/cooling/Best_CPU_Coolers_Q2-2008/Cooler_Master_Hyper_Z600_Corner.jpg
Sans push pull => http://xtreview.com/images/Cooler%20master%20Hyper%20Z600%20Black.jpg