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 Post subject: My quiet (but not quite silent) rig
PostPosted: Sun Dec 14, 2003 1:59 pm 
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Joined: Tue Nov 18, 2003 5:34 pm
Posts: 29
I recently completed my new computer and I am happy to report that it is very quiet. It isn't silent, but it's close and much, much quieter than my last computer. It's roughly based on Ralf Hutter's system as you'll see. First, some specs:

Antec SLK-3700BQE
Asus P4C800-E Deluxe
Pentium 4 3.0Ghz w/ HT
1GB Corsair XMS PC3200-LL RAM (2x512MB)
160GB Hitachi HDS722516VLSA80 SATA Hard Drive
ATi Radeon 9800 Pro 128MB
Turtle Beach Santa Cruz
Lite-On 16x DVD-ROM Drive
Pioneer DVR-106 DVD+/-RW
Logitech Z-560 4.1 Speakers

Cooling:
Zalman CNPS-7000A-AlCu HSF @ 5V
Evercool 120mm Aluminum exhaust fan @ 5V
Panaflo 92mm L1A intake fan @ 5V
Arctic Cooling VGA Silencer on low setting
Antec SL350S Power Supply

With all fans running at 12V and the VGA Silencer on high while idle the CPU runs at 27C and the ambient case temp was 30C. After leaving CPUBurn and Prime95 running overnight, the CPU was at 44C and the ambient temperature was at 31C.

With the fans at 5V and the VGA Silencer on low, the CPU idles at 30C with an ambient temperature of 30C. After leaving CPUBurn and Prime95 on overnight, the CPU was at 52C and the ambient temperature was 31C.

I didn't have E.A.R. isolators to mount the fans so I used some #6-32 nuts and bolts from the local Home Depot with rubber washers between the fans and case. It seemed to have worked really well.

Subjectively the machine is very quiet as I said, but not silent. The loudest component in the system is the PSU, which I may look into down the road. The VGA silencer and both fans are completely inaudible.

Also, I want to point out that I am amazed with this hard drive. Even while grinding away I cannot hear it over the PSU. It is an extremely quiet drive and I think the rubber mounts on the BQE help.

I'm very pleased with how this project turned out :)

note: I know that the CPU while idle with all fans at 12V is lower than the cases ambient temperature which is not physically possible in this type of cooling setup. However, what I am giving as the ambient temperature is the "MB Temperature" which I believe is the temperature of the northbridge. It should be a rough estimate of the ambient temperature (which should be a few degrees C lower), but it really isn't.


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 Post subject:
PostPosted: Sun Dec 14, 2003 2:19 pm 
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Joined: Fri Oct 10, 2003 4:45 pm
Posts: 1413
Location: Sydney, Australia
I have a similar config (new as well) - except I haven't gotten new intake/exhaust fans yet. Not quite sure if its worth buying the evercool yet, the main problem I have now is to silence that awfully loud PSU.


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 Post subject:
PostPosted: Sun Dec 14, 2003 4:20 pm 
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Joined: Thu Aug 07, 2003 2:43 pm
Posts: 1283
Location: Charlotte, NC, USA
What scares ME is that this setup is VERY close to what I have... Most of the info is inmy sig. I also have the Pioneer DVR-105 DVD-, and I HAD a Panaflo 92mm L1BX in my system until a couple of months ago.

AND I was planning on buying a Arctic Silencer for my 9800 Pro...

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Asus P4C800 Del., P4 3.0 Northwood w/Scythe SCNJ-1000 Ninja (fanless), Antec P180 black SPCR edition w/Acoustipack V.2 Deluxe; BBA X800 XT PE w/Zalman ZM80C-HP and 92mm Nexus; Samsung P80 120gb Smart Drive 2002 on foam; Raptor 74gb (turned off); Antec Phantom 350w; 2x120mm Nexus @ 670rpm, diNovo keyboard, Thanko Silent Mouse http://forums.silentpcreview.com/viewtopic.php?t=24308


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