This 530 Watt Power Supply is 80 Plus Bronze certified, providing stable power while balancing maximum energy efficiency. Compliant with ATX12V 2.3 standards, this EPS12V 2.91 power supply offers four 12V power rails, two 6-pin PCI Express connectors & an 8-pin EPS connector. A versatile power solution, the PSU is suitable as an energy efficient replacement/upgrade power supply for desktop PCs, & features Active Power Factor Correction & 20/24 pin motherboard support to deliver the flexibility needed to support AMD or Intel CPU-based entry-level servers & high end work stations. Designed to provide dependable, long-lasting power, this higher level 80 plus 530 Watt ATX12V 2.3 EPS12V Computer power supply meets or exceeds 80 Plus Bronze standards, providing 82% or greater efficiency at 20%, 50% & 100% loads.