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 Post subject: 40mm fan in a 50mm opening?
PostPosted: Sun Dec 09, 2012 1:14 pm 
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Joined: Tue Aug 08, 2006 12:30 am
Posts: 7
50mm is a really odd fan size, and it turns out that there are NO PWM fans available in this size.

That left me with the idea of putting a smaller fan (but enough CFM) in a larger opening, if I could find or devise a step-up-adapter or make one.

Ideas?

Thanks.

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 Post subject: Re: 40mm fan in a 50mm opening?
PostPosted: Sun Dec 09, 2012 2:09 pm 
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Joined: Mon Mar 17, 2008 1:49 pm
Posts: 1188
Location: UK
The extra rotation speed needed to shift air will make it much louder. Probably better to run a 50mm slower than a maxed out 40mm.

You can get PWM-DC adaptors. I have one which is specially made by this company but I'm sure others may be available:
http://www.paqt.co.uk/store/index.php?a ... roductId=5

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 Post subject: Re: 40mm fan in a 50mm opening?
PostPosted: Sun Dec 09, 2012 8:55 pm 
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Joined: Tue Aug 08, 2006 12:30 am
Posts: 7
[quote]You can get PWM-DC adaptors. I have one which is specially made by this company but I'm sure others may be available:
http://www.paqt.co.uk/store/index.php?a ... roductId=5[/quote]

I've contacted the vendor for a datasheet / added info. It looks like an interesting potential solution.

_________________
Gigabyte GA-880GA-UD3H (rev. 3.1) w/AMD FX-8150
SuperMicro SC743T-645 Chassis
SuperMicro PWS-0050 760w Triple-Redundant PSU
6 xSAMSUNG 840 Pro Series 128GB SSD MZ-7PD128BW
10xHGST Deskstar 2TB 7200RPM SATA III (0F12115)
LSI MegaRAID SAS 9260-16i (SGL LSI00208) RAID Controller
Corsair Vengeance 8GB (4x2GB) DDR3 2000 MHz (CMZ4GX3M2A2000C10)


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