Bitfenix Spectre Pro & Pro LED Fan Review @ Neoseeker
 

BitFenix put a lot of time into the Spectre Pro and Pro LED series of fans to help them stand out against their competitors, starting with the packaging all the way to the fans themselves; it is a series built with one thing in mind, performance.

http://www.neoseeker.com/Articles/Ha...s/spectre_pro/