Eru þetta nauðsynlega vara til að vernda PS3 tölvuna ?

http://www.elko.is/elko/product_detail/?ew_10_p_id=26714&showxml=true&ec_item_12_searchparam1=categoryid=1225&serial=PS3COOLINGFAN&ec_item_14_searchparam5=serial=PS3COOLINGFAN&ew_13_p_id=26714&ec_item_16_searchparam4=guid=5DAD393C-9977-4A81-B6D4-E1A4D97E3638&product_category_id=1225