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80 Plus Silver Power Supplies
Power Supplies - The heart of every computer. Often overlooked and not given much thought when purchased, the power supply is one of the most important parts of your PC. Overclockers UK know that buying a reliable and good quality PSU is the key to a stable PC, which is why we offer a vast range of units from leading manufacturers such as SuperFlower, Seasonic, Cougar, EVGA, Corsair and be quiet!
80 Plus certification was initially introduced in America, but is now a global standard for the efficiency of power supplies. As time has gone on, Ecova has introduced various label standards of efficiency to their website in order to grade power supplies accordingly. These are tested either by 115v or 230v EU standards, with the following minimum efficiencies required: -
80 Plus - 115V - 80%, 80%, 80% / 230V - 82%, 85%, 82% (at 20/50/100% load)
80 Plus Bronze - 115V - 82%, 85%, 82% / 230V - 85%, 88%, 85% (at 20/50/100% load)
80 Plus Silver - 115V - 85%, 88%, 85% / 230V - 87%, 90%, 87% (at 20/50/100% load)
80 Plus Gold - 115V - 87%, 90%, 87% / 230V - 90%, 92%, 89% (at 20/50/100% load)
80 Plus Platinum - 115V - 90%, 92%, 89% / 230V - 92%, 94%, 90% (at 20/50/100% load)
80 Plus Titanium - 115V - 90%, 92%, 94%, 90% / 230V - 90%, 94%, 96%, 90% (at 10/20/50/100% load)
Basically, the higher the label, the better the efficiency.
80 Plus Silver power supplies are a relatively rare breed, with most manufacturers either opting for a more aggressively priced Bronze unit, or a more efficient Gold one. Nevertheless, there is still a market for Silver rated units, and as the market demands better and better power supplies, the amount of available units will increase. The most notable one that OcUK sell is the be quiet! System Power 450W, offering excellent efficiency and reliability for an aggressive price.
All Silver rated PSU's exceed the requirements for the efficiency of complete machines according to the EU Regulation no. 617/2013 and should be used in all pre-built systems sold in the EU after the 1st July 2014.