I used to run a first gen Mugen with a E7200 and i5 4570 in passive mode, with a 12cm case fan nearby, similar to what OP did. What a great product, I still reg

I used to run a first gen Mugen with a E7200 and i5 4570 in passive mode, with a 12cm case fan nearby, similar to what OP did. What a great product, I still regret selling it after 12 years of use, but it would not fit into a SFF case.