The ROG Strix 850W Gold power supply unit makes premium cooling performance available in the mainstream. ROG heat sinks cover the most important components to achieve lower temperatures and lower noise levels. The Axial-tech fan design features a smaller fan hub that facilitates longer blades, as well as a barrier ring that increases downward air pressure Dual-ball bearings can last up to twice as long as sleeve bearings. 0-dB Technology lets you enjoy light gaming in relative silence. An 80 Plus Gold certification is the result of Japanese capacitors and other premium components. Optical adjustments are no problem thanks to a magnetic logo and various stickers. So you can personalise the visible side to your liking. Fully modular cables keep your system tidy and organised.