With 80+ Bronze certification, dual ball fan bearings, etched cables and an 6-year warranty, the ASUS Prime series PSU brings efficient and durable power delivery to reliable performance for the system build. The high-quality components used in ASUS Prime power supplies ensure efficient and reliable operation worthy of an 80 PLUS Bronze Certification. The efficiency also leads to low temperatures within the PSU, facilitating an even quieter acoustic profile. Dual ball bearings boast an extensive lifespan of up to 80,000 hours, lasting twice as long as sleeve bearings and exceeding even fluid dynamic bearings. This means long-lasting, reliable cooling with minimal noise when you choose the ASUS Prime Bronze series. We're so confident about the reliability of the ASUS Prime Bronze series PSUs that we back them with a 6-year warranty. Made from a pliable premium material, these etched cables are easily flexible during installation, and they operate at temperatures 50°C lower than the safety limit when routed for cable management. These cables also meet the rigorous standards of the UL1581 flame test and UL758 certification, helping to ensure a smooth PC DIY experience and exceptional safety