BERSERKER 500 is an excellent choice for basic system builds and desktop PC computer upgrades. With 85% efficiency rating, the 80-Plus Bronze Certified BERSERKER 500 gives you ultimate stability without driving up your costs. Built-in Active PFC provides more efficient power frequency, diminishes total harmonics, automatically corrects for AC input voltage, and is capable of a full range of input voltage. Berserker 500 is ready for AMD and Intel 4th Generation Intel Core Processors. Multiple Safety Approvals and complete protection: OCP, OVP, SCP, UVP offers ultimate reliability abd stability. FSP Quality Assurance Program, a manufacturer's direct service guarantees quality and performance for a period of 3-Year, included. All models are qualified for RoHS, Lead-Free, Green Product (G.P) global environmental friendly status.