ko888 Titan Feb 18, 2009 16,708 41 84,990 Sep 4, 2013 #2 What's the brand and model of your PSU? I would say none of those fans belong to your PSU. Upvote 0 Downvote
ko888 Titan Feb 18, 2009 16,708 41 84,990 Sep 4, 2013 #4 OCZ has at least six 600 Watt models. None of which output a fan tach signal. Upvote 0 Downvote