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cable management does matter for air flow tho. I'd go modular if possible

Yet one more reason to not have a bunch of fans. Like I said, my hardware sits in that sonatta w/ one 120mm on low speed and they are oc'd. More fans = more noise. (no matter how efficient they are)

Just tryin' to keep it real.

I've seen different results. My game box has a DFI 3200 mobo and that NB fan is kinda loud. I added a side window fan - a 9dB SilenX that blows down on the CPU and NB. It lowered the mobo temp enough that the NB fan now runs at ~3 to 4K RPM instead of ~7K. The box actually got measurably quieter by adding another fan. More than just measuring less dBs at idle and load, the frequency spectrum of the noise changed for the better. The 9dB SilenX is so quiet you have to get your ear close to it to even hear it and it has a sort of innocous hushed sound. The NB fan, on the other hand, it an annoying howl at 7K. Still audible at 4K but much kinder tone.

ahh, and that is why I have a mobo w/ heatpipes and no fans for any of the chips onboard.

but what I am saying about more fans is that if you have a well engineered case that has cooling in mind from the get-go then you will have more efficient cooling and then can use less fans. In that case more fans = more noise.

Obviously w/ your specific situation you have a lack of airflow at places in the case (bad engineering? dont know your case...) and you have an annoying noisy fan on the mobo that you would have to get rid of to stop the noise from it. (those little buggers are just a pain) They do make aftermarket stuff for mobo fan replacement that are silent sinks and pipes. But your larger problem is that you had bad airflow, which you solved w/ more fans. Thus backing up my point about engineering being most important. rock on.

It was about priorities. Reviews said it was the best S939 XFire mobo and that was my focus.

I follow all that and my case (TT Armor Jr) does have a good cooling arrangement. But when you OC two 1900XTs, they make heat. Sure, the HSFs on the GPUs exhaust out the back, but those cards flat out RADIATE the heat. I don't know of any air-cooled rig other than the CM Stacker that moves enough air into that region without making some noise.

The case design is very good IMO. The stock front 12cm fan blows right onto the GPUs. I removed the HD bay, so that fan has a straight shot at the cards. But DFI placed the NB under the graphics card so their radiant heat adds to the NB heat and keeps it's fan at high speed - at least it did till I put in the window fan. The window opening was stock, but there was no fan included with the case. I'd like to put a passive NB heat pipe HS, but it would need to be a custom rig to get past the GPUs. I also put in an additional front panel 12cm low speed fan, so there is a straight shot from the front panel, through the CPU HSF, across the RAM and out the back exhaust fan. Adding that front panel fan lowered the CPU load temp by 1 to 2C.

ahh, that xfire setup is a big heat gen source... 'nuff said there man, you just have a ton of stuff. Totally understandable.

was meaning no offense, and that case you have is a good one. If I was in your shoes noise would be secondary anyway. lol. any noise reduction is good though at that level. 8O

IMO at your level now the only way to go better would be water. w/ cpu, dual cards etc... it doesn't really matter what case you have you are gonna need fans.

I found some "cool" things pardon the pun today.
here's some.

Great Fan

My case that will have that fan in the rear

HD coolers

cutom fan arrangemnet bracket(check the enlarged pics)

good single vga cooler

5.25" cooler, mostly good reviews, except for resucking... you'll see

These are a good idea if you have the space and psu for it, i think at least

I do have one question, if i have an AM2 5000+, and oc it to 2.8ghz from 2.6, for the ram to be clocked right... will i need a cpu fan, or will that 25cm, 14, and uber 12cm be fine?

None taken whatsoever.

I've thought about it but it's really not so loud. Under a big load the GPUs can spin up and get noisy when combined with the CPU HSF. But I've only really noticed it when doing things like 3DM06.

I agree with these fans, I have three Turbine 2000s in my 3D Aurora still as quiet but a few degrees cooler.

Mind you they were only £4.41 each a bit cheaper than those in your link!

Right on! Asus heatpipe cooling for the win! Silent and effective, just the way I like it!

In reply to Hobo, I've OC'ed my CPU to 2.1GHz from 2.0 (yeah, haven't really experimented, but it should do fine), and my video card from 500 core/750 mem to 540/800. eVGA's warranty lets you overclock without voiding it, so it's good brand to get.