Suggestions for Quieting my PC

The forum for non-component-related silent pc discussions.

Moderators: NeilBlanchard, Ralf Hutter, sthayashi, Lawrence Lee

Post Reply
SignoDX
Posts: 12
Joined: Sun Sep 19, 2004 12:01 am
Location: Vancouver, BC -- Folding for SPCR

Suggestions for Quieting my PC

Post by SignoDX » Tue Nov 23, 2004 11:43 am

Hi, this is my first post at SPCR.

I've been reading up on the articles and posts here and have tried to follow some of the suggestions so far. I would appreciate comments and suggestions to further quiet my PC.

My current setup is:
CPU: Intel 2.8C w/ Zalman 7000A-AlCu @ 1000 RPM (PVM)
Mobo: Asus P4P800-Dlx
Video: ATI Radeon 9500 Pro w/ Arctic Cooling VGA Silencer
H/D: Maxtor 7200RPM 120 GB
CDRW: LG 52x24x52 + 16xDVD
Case: Antec Lanboy w/ original PSU (Smartblue 350 - 80mm and 92mm fans)
Fans: 2 Panaflo 80mm @ ~7V with Fan Mates (1 front, 1 rear)

The temperatures (according to AsusProbe and SpeedFan):
@ ambient ~20-22C
Idle: CPU: 34, M/B (northbridge): 30, H/D: 26
Load: (folding) CPU: 49, M/B: 42, H/D: 35

Future plans:
-enlarge the rear exhaust fan opening to fit 92mm fan (is 120mm possible?) - Will this make much of a difference in terms of noise?
-mod the PSU with quieter fans (Panaflo / Nexus) or just change it for something quieter - perhaps Seasonic? - the temperature of the PSU exhaust under load is ~37C, I'm not sure how high the temperature can reach before risking damage to it
-suspend the hard drive

Currently, the PSU is the loudest component, so it will be my first priority to fix that.

Suggestions, comments, and opinions greatly appreciated.

Thanks

cche0691
Posts: 25
Joined: Sat Dec 04, 2004 4:09 pm
Location: Sydney

Post by cche0691 » Sat Dec 04, 2004 5:27 pm

Hi SignoDX,
Your temperature looks fine to me.

Normally PSU's burning temperature is 55'C. If it has over 50'C is it in real danger. Yes you can change the fan inside with fans like Panaflo as you mention or you could change it with a fanless PSU like Antec Phantom or silverstone.

Larger fan with lower fan speed is more quiet. But there isn't much choice of 120mm fans around. Sometimes two 80mm ultra quiet fans are still more quiet than a "normal" industrial 120mm fan. So shop and listen around first ;)

burcakb
Posts: 1443
Joined: Tue Mar 09, 2004 9:05 am
Location: Turkey

Post by burcakb » Sat Dec 04, 2004 10:50 pm

First things first:

WELCOME TO SPCR !!!

I don't have direct experience with your casing but I'll venture some guesses.

#1: An undervolted 92mm or preferably a 12V Nexus 92mm will blow enough air as your Panaflo @ 12V (IIRC) so going with a 92mm as your exhaust will make a difference.

#2: I've found all Antec PSUs I've handled to be hot-running and noisy. By the "smart" prefix, I'm assuming this is also from the SmartPower series which is the cheaper/relaxed line of Antec. You could possibly do a fan swap but it's much much better to go with a high-efficiency PSU. Go with a Seasonic. Not just because it's quieter, it's more efficient and will probably help your case temps too.

#3: I believe the LanBoy is an aluminium case. Which means that harddisk must be shaking it like mad. I'd venture a guess that suspending your harddisks will make as much a difference as swapping your PSU.

#4: Side note, it's probably possible to cool your Radeon passively. But I'm not sure whether it'd make any difference noisewise, you've got a few loud components there.

Post Reply