Solved 120mm vs 140mm fan? Tags: Power Supplies Cases Cooling CPUs Components Last response: November 14, 2011 11:21 PM in Components Share appleshaq November 8, 2011 12:05:59 AM Hi there, I am building a new computer and have a decision on fans for my case. I have narrowed it down to these two options. http://www.pccasegear.com/index.php?main_page=product_i... 120mm http://www.pccasegear.com/index.php?main_page=product_i... 140mm I can install either of these fans sizes in my case and on my CPU cooler. This is my case: http://www.pccasegear.com/index.php?main_page=product_i... And this is my CPU cooler: http://www.pccasegear.com/index.php?main_page=product_i... They can in install either 120mm or 140mm fans. I will be buying 9 fans, 2 for my CPU cooler and 7 for the case (3 for the top, 2 for the front, 1 for the bottom and 1 for the back. I think that I should go with the 120mm because it pushes almost 15CFM more than the 140mm at the same noise level. Could you please help me on this one! Thanks! More about : 120mm 140mm fan appleshaq November 8, 2011 12:53:54 AM It seems that no one can answer this. Would the bigger 140mm be better for airflow and cooling or the higher CFM 120mm fan? Thanks! Best solution rolli59 a c 665 ) Power supply a c 787 à CPUs November 8, 2011 1:07:35 AM Share Higher CFM means more airflow! More cooling comes with more airflow! The only thing the 140mm has is that it rotates slower and therefore is slightly more quiet! Related resources Dual 140mm vs Triple 120mm Rad - Forum 140mm fan vs 120mm fan - Forum 120mm vs 140mm rads - Forum Fan shrouds for 140mm fans with 120mm holes? - Forum 200mm fan vs . 2x 120mm fans, what's best? - Forum Can't find your answer ? Ask ! Get the answer appleshaq November 8, 2011 1:49:54 AM So the 120mm it is? Thanks! appleshaq November 8, 2011 7:55:39 AM Would it be a better idea to have a 140mm fan for the CPU cooler because it will cool more of the surface area? Or is it still better to get a 120mm fan that pushes ~ 15 CFM more? Thanks and I really need an answer since I am buying soon. rolli59 a c 665 ) Power supply a c 787 à CPUs November 8, 2011 9:54:00 AM The CFM is what provides the cooling so the 120mm is going to be the better. DelroyMonjo a b à CPUs November 8, 2011 10:05:02 AM JUst what are you building that you need 7 case fans for? Has Nvidia come out with nuclear powered GPU's? appleshaq November 8, 2011 11:31:59 AM Well the case I am getting supports 3 top fans, 2 front fans, 1 back fan and 1 bottom fan. It also supports 1 180mm side fan. I was just curious what fan would be better. Thanks! I thibk ill go with the 120mm fan. davcon a c 273 ) Power supply a c 117 à CPUs November 8, 2011 4:46:57 PM http://www.pccasegear.com/index.php?main_page=product_i... appleshaq November 8, 2011 8:19:58 PM Whats the point of the link? It isn't even better than the fans I suggested. It is only capable of 76CFM vs a fan that spins 100 RPM slower and 34CFM more. I don't care about noise. Thanks for the answers and i think the scythe 1900 RPM fan is the best on the site. appleshaq November 14, 2011 11:21:29 PM Best answer selected by appleshaq. Can't find your answer ? Ask ! Publish Related resources Adding 2 120mm Fans and 2 200mm fans and 140mm fan Forum Liquid cooler 120mm , case fans 140mm Forum Reccomendations for a 140mm horizontal case fan ? (Not a 120mm mounting, a 140mm . Forum Best 120mm and 140mm fan Forum 140mm and one 120mm non led fan recommendations Forum 120mm to 140mm fan adapter Forum Replacing 120mm for 140mm Forum Looking for sound card suggestion Forum Scythe Gentle Typhoon 120mm x 25mm 3000 RPM fans Forum Help chosing a PSU/ 2 120mm fans Forum [Solved] Can I Install 4x 140mm Fans On 1x 4-Pin Adapter ????? Forum Do a 600 watt 140mm non modular mATX PSU exsist? Forum 120mm Fans Forum 140mm case fans, go with 120mm instead? Forum 140mm and one 120mm non led fan recommendations Forum More resources Read discussions in other Components categories Power supplies Sound cards NICs Akasa Antec Cooler Master Cougar DeepCool Enermax !