Thermaltake Hamburg Pro RGB 550W PSU 80+ Bronze Rated ATX Power Supply Unit The German Series is further expanded with the launch of Hamburg Pro RGB 550W. Built to deliver 80 PLUS Bronze efficiency, it is preinstalled with 256-color 10 LED RGB fan for various, vivid illumination options. Featuring premium components, stable continuous power output at 40℃, and ample 5-year warranty, its near silent operation, trouble free installation and reliable performance have made itself satisfy the market where value-oriented users are looking for a power supply with advanced features and aesthetic appeal.10 RGB LEDs PreinstalledThe 10 RGB LEDs come preinstalled on the 120mm fan. Capable of displaying 7 colors(Red, Green, Blue, Yellow, Purple, Light Blue, and White), 3 illumination modes including Pulse, Full-lighted and 256-color RGB Cycle, and an LED Off mode.One Button to Your Desired ColorAdding personal appeal to your build has never been so easy by just pressing one RGB lighting button! There is also a built-in memory function to save the color applied and ensure the same color selection every time you boot your PC.Ultra Quiet 120mm Fluid Dynamic Bearing FanFeaturing an 120mm Fluid Dynamic Bearing fan with intelligent RPM control to guarantee superior cooling performance and silent operation.< 80 mV Low Ripple NoiseAll ripples are lower than 80mV for high stability on +12V, +5V, or +3.3V from 0% to 100% load to ensure a high quality power supply. Low ripple noise will keep your performance-critical components, such as high-end graphics cards, to operate reliably for longer.