High performance Fluid Dynamic Bearing (FDB) fans are designed to take advantage of the impact absorbance effects of oil. This breakthrough solution not only lowers the chance of production errors during manual insertion but it also improves output power quality. 550W power supply Delivers the power needed to run your PC. AC 100-240V input With input 50-60Hz frequency for wide-ranging use. ATX12V and EPS12V compliance Meets industry standards. 120mm fluid dynamic bearing cooling fan Dissipates heat to help the power supply remain working at optimal temperature levels. Maximum safety to your critical system components Provides overheat, overcurrent, overvoltage, overpower, undervoltage and short-circuit protection. 80 PLUS Gold Certification Delivers 90% energy efficiency at real world load conditions. Modular cable management Allows you to use only the cables you need.