Well-known Korean cooling company Zalman is also known as a manufacturer of high quality power supply units (PSU) and computer cases. Now the company has just launched a new PSU line with 80 Plus Gold certification.
An efficient power supply unit will reduce the computer specific power bill but it will also reduce the air conditioning power bill in summer.
The less efficient a power supply unit is, the more heat it dissipates into the room. While in winter this extra heat might be welcomed, in summer this would make the room even hotter than it already is.
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Many readers may not know, but if a PSU dissipates more energy into the room, let’s say for example 100 watts more, in ten hours your PC will consume an extra 1 kilowatt that you will have to pay at the end of the month.
That 1 kilowatt worth of heat is probably desired in winter, but in summer your air conditioning unit will consume roughly 1,1 kilowatts to take that heat out of the room.
Therefore, a less efficient PSU is twice more costly in summer than it is in winter.
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The new PSUs have a single 12V rail and each of them can deliver over 90% of the output to the 12V line.
The first unit is called ZM550-XG and it is able to deliver 540 watts to the 12V line.
The second is Zalman’s ZM650-XG and it can output up to 648 watts to its 12V line while the ZM750-XG model is able to deliver 744 watts on the single 12V rail.
Pricing is set at $134 (108 EUR) for the ZM550-XG, $145 (117 EUR) for the ZM650-XG and $158 (128 EUR) for the ZM750-XG.
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Via: ZALMAN Launches GoldRock XG Power Supply Series
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