We all know that when selecting fans, we need to take the manufactures specs with a grain of salt. I received an email from my PC parts supplier today that further highlights the old axiom "Caveat emptor"
or let the buyer beware
I ordered what I thought to be CM R4-L2R-20CK-GPs. When I inspected them, the model number indicated A12025-20RB-3BN-F1. When I queried this with my suppler, I received the below email...
Good morning ,
I can confirm that the A12025-20RB-3BN-F1 and the R4-L2R-20CK-GP fans are one and the same.
Coolermaster had originally used optimal theoretical numbers as their quoted rating of 90 CFM, however extensive external testing by review sites and individual users has shown the real world figure to be closer to 70CFM. CoolerMaster have since distanced themselves from the original numbers by renaming the fans (from Silent LED to SickleFlow) and using the lower CFM figure in their current product listings.
Current supplies in Australia still feature the original packaging, so as to minimise confusion – we had kept the original product listing specifications to match the packaging.
I have now updated the specifications on our website, hopefully to alleviate any additional confusion surrounding this convoluted matter.
So, in short, the R4 at 90cfm do not exist and those that are using them are actually getting 70 cfm...
As for me, Ive asked for a refund which Ive been promised, will be honoured.Edited by Sethy666 - 3/9/10 at 5:18pm