So, now i got my Sileo 510 and my Antec Neo Eco 520
First thing, the Sileo 500 in the test got two 800rpm fans.
Mine came with a 1200rpm in the back and 800rpm in the front. and the 1200rpm is loud.
thought to me: change them, in the front behind the brezer the 1200 will rotate slower
done - noise of the 1200 was less, but still to loud, heat went up 1 or 2 °C
so I wanted to check some combinations. 7v and so on.
first thing i tested was turning the 1200 off and only using the 800 at the back.....to my surprise temps got better a bit!!!! front-fan must have generated turbulence or st.
as I saw still saw some headroom, I disabled the backfan, too.....heat got up 1 or 2 °C
so I went to test system like this, only fan inside besides the PSU-one is a 80 at 7v, unaudible (beteen heatsinks of themaltake sonic tower, blowing to the top).
CPU-temp in bios was between 51 and 53 °C
multitasking in my OS it is between 52 and 55°C
with a CPU-burning software it s around 63 and 65 °C......I know this CPU very well and it freezes around 70°C
resuming: I now use my case without any casefan and system is stable.
PSU-fan is at lowest speed all the time, even when stressing CPU. I hardly hear it, at 1m distance from the front I can't hear it at all. (near 0 background noise since it is 1 o 'clock in the morning)
next thing to get rid of, was the hum of my two HDs (a coming and going hum).
For testing I suspended them using a rope I found here at home. Suspended in the 5 inches case.
tested temps, unfortunatly they go up to 55°C some time, hum is less, but still there.......I got to buy elastics.
I guess I have to suspend them below the FDD case, what do you guys think? 55°C to high?
thanks a lot to this forum, learned all (still learning for sure) here
now you got some pics:

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