Product Name: Gamemax RGB 850W PSU, Full Modular Cable Managerment Model NO.: RGB-850 Modular: Modular 80PLUS Certification: 80 PLUS Gold Hard Disk Interface: ?8 Feature: Active PFC Fan Size: ?14" Fan Type: 14cm ATX Standard: ATX 12V 2.2 Power: 1650W Certification: CE, RoHS, CCC, FCC Use: Desktop Product Description Gamemax RGB series power supply offers "Value and Performance" scheme. The most suitable cost/performance ratio is the best choice for system builder. 12V CPU power and modern PCIe 6+2pin connectors are ready for high-end gaming system. Fully electrical protection and official safety are also the quality promise by Gamemax.RGB Modes operation instructions:1. with memory function, turn on power supply again; the initial state is as same as the state of power off;:2. Press RGB controller switch successively, the lights change to be white, blue, yellow, red, green, blue green, purple, breathing lights and color mix mode in turn;:3. Breathing lights mode: make the lights bright gradually in two seconds, make the lights dim gradually in two seconds, play cycle from white color to purple color. :4. Color mix mode: the lights change from white to purple color in turn and keep 0.5S at peak of each color; it takes 4S between the two colors:5. In any mode, press the RGB controller switch for three seconds, the lights go out