Fully Modular 80+ Gold Certified Dual Ball Bearings ASUS Prime 750W Gold ATX 3.0 Two Color Choices in One: Prime Performance, the manufacturer With its dual ball bearing fan and 80+ Gold certification, the ASUS Prime series PSU provides gaming rigs, all-purpose PCs, and high-performance workstations with reliable and effective power delivery. Bearings for Dual Ball Fans Dual ball bearings have an impressive lifespan.