case fans...silent?

[Vizy]

are these fans silent:

http://www.newegg.com/Product/Product.aspx?Item=N82E16835191006

http://www.newegg.com/Product/Product.aspx?Item=N82E16835185004

and when i ask that i mean is it silent enough to shell out the xtra 5 bucks...or would u guys recommend any other fans. btw the case is a Cooler Master centurion 5. thnx

 

[diduknowthat]

The Scythe one looks very nice, its rated at 9dBa (which is kind of hard to believe). You can also look into PWM fans, which can be automatically controlled through your bios.