Signature 650 PSU: Antec's Challenge
 

Antec's Signature series power supplies exude class, starting with the understated, elegant retail box. Is there substance behind the slick image and fat price tags? We examine the Signature 650... and find there is indeed a great deal of solid substance that makes this product a clear standout and a challenge to Antec's competitors.
http://www.silentpcreview.com/Antec_Signature_650