Anyone have any luck with Power Cooler case fans?

[Apple]

I've got a chance to pick these suckers up for a great deal. Just wondering if any of you have had experience with them? Here's the link for anyone interested. Power Cooler fans at SCV.

 

[Apple]

my only bump, i swear

 

[Apex]

They seem to be the same as the Adda AD0812MS-A70GL.

http://www.adda.com.tw/products/ad8025.html

31.4Cfm at 28.3dBA

Great price on em you've found. They're usually $4.