Gold Certified: Under typical operating conditions, this certification ensures an average efficiency of 90%. Intel ATX version 2.52: This PSU satisfies all performance requirements up to the standards of Intel ATX version 2.52. Hydrodynamic Fan: For a longer lifespan and quieter operation, the 120mm hydrodynamic fan bearing reduces friction at lower speeds. Two EPS connectors are included with every G series unit, guaranteeing compatibility with all motherboards available on the market.