Chladenie notebooku

Zdravim chcem kupit chladiacu podlozku pod notebook Acer Aspire 6930ZG a neviem sa rozhodnut medzi :http://www.alza.sk/zalman-zm-nc3000u-black-noteboo k-cooler-d177631.htm a http://www.alza.sk/zalman-zm-nc2500-plus-d181020.h tm#popis je lepsie mat podlozku s jednym velkym ventilatorom alebo s dvoma malymi ? tu su este neake recenzie http://translate.googleusercontent.com/translate_c ?hl=sk&langpair=en|sk&u=http://benchmarkreviews.com/index.php%3Foption%3Dc om_content%26task%3Dview%26id%3D568%26Itemid%3D66% 26limit%3D1%26limitstart%3D0&rurl=translate.google .sk&usg=ALkJrhi5g77Y9nKyyW7PdIZLvFvmQ9b2qw a http://translate.google.sk/translate?hl=sk&langpai r=en|sk&u=http://benchmarkreviews.com/index.php%3Foption%3Dc om_content%26task%3Dview%26id%3D565%26Itemid%3D66% 26limit%3D1%26limitstart%3D1 mate niekto skusenosti diky moc za odpovede