The PSU fans are 60mmx60mmx25mm. Read the xlr8 guide (link in previous
post) before you tackle the PSU, it's a little tricky.

On Mar 3, 4:05 pm, MacGuy <[email protected]> wrote:
> ok, so it sounds like i don't need to buy anything else other that the  
> fan itself. Also, I'd like to replace the psu fans at the same time,  
> can you give me the info i need to order them all from frozencpu.com  
> at the same time. Thanks. Jeff
> On Mar 3, 2009, at 12:55 PM, dc wrote:
>
>
>
>
>
> > On both locations, PSU and case fans, I had to switch polarity of the
> > SilenX fans to match the wiring on the OEM fans. I used black and red
> > Sharpies to mark the connector on the OEM fans so that I knew where to
> > put the red and black wires. Then I used a paper clip to release the
> > wires from the OEM & SilenX fans and swapped the connectors so that
> > the new fans could plug into the motherboard.
>
> > On Mar 3, 10:57 am, MacGuy <[email protected]> wrote:
> >> I'm looking at this one,
>
> >>  http://www.frozencpu.com/products/4274/fan-235/SilenX_120x120x38mm_-_
> >> ...
>
> >> What modifications will it need to hook up to the mdd motherboard?  
> >> Jeff
> >> On Mar 3, 2009, at 4:49 AM, dc wrote:
>
> >>> I got a MDD several months ago, one that had not been given a quiet
> >>> PSU. I started looking for new fans right away. I compared the specs
> >>> on a lot of fans and I decided the Sinlenx Pro series had the best  
> >>> air
> >>> flow to noise ratio. I put 2 in the PSU and a 120mm in the case. My
> >>> dual 1 GHz now runs at around 65 degrees C (which is about 5 degrees
> >>> hotter than it ran with the stock fans). I tried a Gelid variable
> >>> speed 120mm case fan and it does keep the temps about 5 degrees  
> >>> cooler
> >>> but it almost always runs at full speed so it is louder than the
> >>> SilenX fan but still quieter than the OEM Delta fan. This article
> >>> shows how to replace the fans but since it was published newer,
> >>> quieter fans have come on the market. I personally think the  
> >>> SilenX is
> >>> the best. I purchased mine from that "well known auction site".
>
> >>>http://www.xlr8yourmac.com/systems/g4_mirrored_drive_doors/noise_redu
> >>> ...
>
> >>> On Mar 2, 8:11 pm, MacGuy <[email protected]> wrote:
> >>>> I've been looking into a fan replacement on my mdd. I've heard of  
> >>>> the
> >>>> SilenX they've used to replace the ol' delta fans. question one -
> >>>> anybody know the model number/info and possibly where to buy one?
> >>>> Question two - what about other alternative fans with higher air  
> >>>> flow
> >>>> output and just as quiet? Thanks, jeff
>
> >>>> Kamiah, Idaho 83536- Hide quoted text -
>
> >> - Show quoted text -- Hide quoted text -
>
> - Show quoted text -
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