Dimensions of 120mm case fan-diameter or diagonal? Tags: Heatsinks Cases Fan Overclocking Product Last response: May 8, 2012 4:14 PM in Overclocking Share absxiith May 8, 2012 12:23:30 PM I want to install two of these- http://www.flipkart.com/cooler-master-90-cfm-blue-led/p... My question is-do 120x120x25 mm dimensions mean 120mm diameter or diagonal?I measured my present case fan and it is 90mm along diameter and 120mm along diagonal.My PC- http://h10025.www1.hp.com/ewfrf/wc/document?docname=c01... However,I could not find any 90mm case fans,only 80mm and 120mm.Am I doing something wrong?Any help would be sincerely appreciated. More about : dimensions 120mm case fan diameter diagonal GI_JONES May 8, 2012 12:34:11 PM 120mm is the width of the fan housing. The most common sizes are 80mm, 92mm and 120 mm absxiith May 8, 2012 12:38:46 PM Ok,that means the square within which the actual fan is placed,right?Will a 120mm fan fit in my case which probably has a 92 mm fan or only a 92mm fan will fit?Am asking because 92mm fans arent available but 120mm fans are. Related resources Case Mod Project: Corsair c70 Vengeance - Forum What radiator do I need for my custom PC case ? - Forum Generic case problem - Forum Need opinion on display dimensions and resolution - Forum Can you place a different 120mm fan in the back of the NZXT Phantom? Such as a a - Forum Can't find your answer ? Ask ! Get the answer GI_JONES May 8, 2012 3:58:20 PM sure they are: http://www.newegg.com/Product/ProductList.aspx?Submit=E... absxiith May 8, 2012 4:06:13 PM I can't order from Newegg as they do not ship to India. Also,can I fit an 80mm fan instead of my stock 92mm fan coz 80mm and 120mm fans are easily available here. GI_JONES May 8, 2012 4:14:43 PM I dont have that pc, so I dont know what will fit. Can't find your answer ? Ask ! Publish Related resources: ForumHigh-End personal Workstation Guidance ForumAny recommendations on a silent 120mm case fan? ForumWhich cooler? ForumEATX dimensions ..... Will it fit? ForumHelp needed? ForumFinalizing new build - Question about dimensions . ForumWill one Feser xChanger 120mm rad cool an oc'd i7 920 ForumCan someone verify the HAF 932's dimensions ? ForumGood 120mm fan? ForumCorsair Obsidian 800D Liquid Cooled Dual Loop System ForumCPU multiplier shows 45 in the BIOS, yet shows 43 on everything else Forum[Solved] Help with Case Fan ForumWater cooling help for small form factor case ForumCorair H100 In my case ForumThe Front case fan never goes on More resources Read discussions in other Overclocking categories CPUs Motherboards Memory Chipsets Heatsinks Water Cooling Intel AMD !