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 Post subject: Fanless Compact HTPC (V8.1)
PostPosted: Sun Mar 16, 2014 5:26 am 
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Joined: Wed May 14, 2008 2:54 am
Posts: 197
Location: Northern Italy
Just a refreshing of my old 2012 build, with some experimenting. :mrgreen:

Intel i3-3220 underclocked to 1.6GHz
4096MB single channel Kingston DDR3-1333
Gigabyte GA-B75M-D3H
Optiarc BC-5500A optical drive
Seasonic SS-350M1U hybrid 350W
Intel SSD330 180GB
Seagate ST9750420AS
WD10JPVT
WD20EARX
ESI Audio Waveterminal 192X
Hauppauge WinTV-HVR-4400
Front display

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 Post subject: Re: Fanless Compact HTPC (V8.1)
PostPosted: Sun Mar 16, 2014 6:16 am 
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Joined: Mon Dec 28, 2009 1:42 am
Posts: 345
Location: Australia
Awesome! 8)

What are your load temps like?
Do you use a top panel on the case?
If so, do you leave a ventilation hole for the CPU heatsink, or is it unnecessary?


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 Post subject: Re: Fanless Compact HTPC (V8.1)
PostPosted: Sun Mar 16, 2014 12:11 pm 
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Joined: Wed May 14, 2008 2:54 am
Posts: 197
Location: Northern Italy
Those were normal usage temps (HD video playback), idle temps are 34.
I use a top panel, for now I cannot put it on since I have to cut the heatsink fins by 1/4" to make it slightly lower. It will reduce radiating surface but not much.
I already bought a fully vented top panel, I will test performances with that once I lower the heatsink. Otherwise, I could use the standard non-vented panel and cut out a square aperture, then bolt a wide openings grille on it. This way I would have to cut just 2mm from the fins but it would not be 1U compiant and way less aesthetically pleasing. :mrgreen:


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 Post subject: Re: Fanless Compact HTPC (V8.1)
PostPosted: Sun Mar 16, 2014 1:18 pm 
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Joined: Sun May 21, 2006 9:09 am
Posts: 1849
Location: Northern California.
wait a sec.....isnt that a 40mm fan on the PSU? :?

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 Post subject: Re: Fanless Compact HTPC (V8.1)
PostPosted: Sun Mar 16, 2014 2:33 pm 
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Joined: Wed May 14, 2008 2:54 am
Posts: 197
Location: Northern Italy
Of course it is, but on Seasonic models SS-300M1U and SS-350M1U it works like the X desktop series: it spins only if load exceeds 50% or internal temperature is too high. Until now I haven't been able to make it spin, normal power consumption of the system is 45W and temp never got hot. So in this system you can think of it as a fanless power supply. :wink:


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 Post subject: Re: Fanless Compact HTPC (V8.1)
PostPosted: Sun Mar 16, 2014 3:33 pm 
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Joined: Sun May 21, 2006 9:09 am
Posts: 1849
Location: Northern California.
Sweet!

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 Post subject: Re: Fanless Compact HTPC (V8.1)
PostPosted: Mon Mar 17, 2014 1:55 am 
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Joined: Wed Jun 13, 2007 10:12 am
Posts: 2974
Location: ITALY
xan_user wrote:
Sweet!


Just on a side note: it's very similar to the unit seen on the EVGA Hadron Air; obviously it isn't (and it can't be) up to the KM3 platform with reference to electrical performances, particularly to ripple suppression, where they're both below average, but they excel in voltage regulation (they're server grade units, indeed).
Take also note that those fans when they kick in are really annoying.

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 Post subject: Re: Fanless Compact HTPC (V8.1)
PostPosted: Sat Mar 29, 2014 1:20 pm 
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Joined: Wed May 14, 2008 2:54 am
Posts: 197
Location: Northern Italy
Right now testing with the lowered height heatsink to make it fit in 1U chassis. :arrow:


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