PC Power Supply Zalman GigaMax ZM550-GVII:Every PC, workstation, or server needs a proper PSU to work. This humble component is more important than you think. Aside from supplying power to the PC, it also affects the service life of other components and the overall power consumption. The 550W Zalman GigaMax ZM550-GVII ensures reliable transfer of power from the mains to individual circuits, which then power the used components. The ATX PSU with a 550 W power is designed for the more powerful mid-range PCs. The Zalman unit conceals a 120mm fan that minimalises the temperature and improves its lifespan. You can cut the power using a power switch. Every PC power supply unit has a label that tells you how effective it is at using the power from the mains. The 80 PLUS Bronze certification means its effectiveness reaches 88 %. Key Features of the 550W Zalman GigaMax ZM550-GVII PSU Active power factor correction (PFC) ATX format is one of the most popular formats at present The PC Power Supply is 80 PLUS Bronze certified, which represents an efficiency when processing input power of 88 % It also includes a 5× serial ATA connector for connecting a SSD, HDD, or DVD drive PSU protection type: overvoltage protection (OVP), undervoltage protection (UVP), overcurrent protection (OCP), over-power protection (OPP), short-circuit protection (SCP) and over-temperature protection (OTP)