Hardware Secrets posted a review on the Enermax Liberty DXX 500W Power Supply
A quote from the article:
>> Enermax Liberty DXX 500W Power Supply Review
Liberty DXX 500 W, a.k.a. ELT500AWT, is one of the most popular power supplies from Enermax, featuring active PFC, high efficiency, modular cabling system, 120-mm fan and two video card auxiliary power cables for you feed your SLI or CrossFire system. We completely disassembled this unit and also tested to see if it can really deliver its labeled 500 W. Check it out.
>> Enermax Liberty DXX 500W Power Supply Review