idknox Posted February 6, 2018 Share Posted February 6, 2018 I'm planning on a 570x case with the following setup: 3x LL120 front intake 2x HD140 front radiator pull 2x LL140 top exhaust 1x LL120 rear radiator push for hybrid GPU 1x ML120 rear radiator pull exhaust Can I route all this through a Commander Pro with PWM splitters? I read the max is 1A limitation per fan header and a 4.5A limitation for the entire unit, but couldn't find any info on the LL fans power draw. Thanks! Link to comment Share on other sites More sharing options...
DevBiker Posted February 6, 2018 Share Posted February 6, 2018 Both LL and HD fans have a draw of 0.3A ... it's in the RGB System FAQ. The ML ... is that an ML "Classic" or ML-RGB? Link to comment Share on other sites More sharing options...
idknox Posted February 6, 2018 Author Share Posted February 6, 2018 Cheers! Thanks for the quick replies. Just an ML classic, since it's between the rad and case on the rear, didn't see the point in RGB...but want good performance to exhaust air since the push fan on it will be a LL. Link to comment Share on other sites More sharing options...
DevBiker Posted February 6, 2018 Share Posted February 6, 2018 Asking because there is a difference in the amperage rating. The "Classic" ML-120 is rated for 0.219A. BTW ... the max amperage rating is actually on the fan itself, on a sticker on the back. These are also max ratings ... likely current draw during actual usage may be significantly less. Link to comment Share on other sites More sharing options...
marcusone Posted February 6, 2018 Share Posted February 6, 2018 BTW ... the max amperage rating is actually on the fan itself, on a sticker on the back. These are also max ratings ... likely current draw during actual usage may be significantly less. So use the max rating when you size the connectors,as i'm sure you have seen already, during startup they rev to max RPM (therefore max current) before PWM kicks in. So you will have all fans pulling max current for a brief period each startup/reboot/etc. Link to comment Share on other sites More sharing options...
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