Thank you, got it!
The stock fans are horrible! I replaced the fans with 4 spare arctic fans i had spare.
http://www.memoryexpress.com/Products/MX49912Hope that helps! Got it down to 35dB.
Ps.: A new 8GB Image is ready, but i am on the road and will upload tonight.
Sorry to bother you again this issue, but the miner only has two fans. The other two are referred to the PSU?
Did you also replace them? Or did you made some mod to the case?
How do I check temperature? I see that voice on the log table, but it's empty