The Thermaltake Toughpower XT 850W performed flawlessly from start to finish. The DC voltage load regulation is excellent and the efficiency amongst the highest I have tested and fully deserving of the 80 Plus Bronze certification. This Thermaltake Toughpower XT 850W carries the AMD Game Ready and ATI Crossfire X Technology logos. The only information I can find on AMD Game Ready is a minimum PC specification (Athlon X2 5600, ATI Radeon HD3650, AMD 770 or Nvidia nForce 500 chipset & 2GB DDR2 memory) to meet before it can carry the logo but with the wide variety of different manufacturers producing these parts does this certification really mean anything?.