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80 Plus (trademarked 80 PLUS) is a voluntary certification program launched in 2004, intended to promote efficient energy use in computer power supply units (PSUs). Certification is acquirable for products that have more than 80% energy efficiency at 20%, 50% and 100% of rated load, and a power factor of 0.9 or greater at 100% load.
For example, a 900-watt power supply with the 80 Plus Silver efficiency rating (which means that such a power supply is designed to be at least 85% efficient for loads above 180 W) may only be 73% efficient when the load is lower than 100 W, which is a typical idle power for a desktop computer. Thus, for a 100 W load, losses for this supply ...
UMPC—Ultra-Mobile Personal Computer; UMTS—Universal Mobile Telecommunications System; UNC—Universal Naming Convention; UNIVAC—Universal Automatic Computer (By MKS) UPS—Uninterruptible Power Supply or Uninterrupted Power Supply; URI—Uniform Resource Identifier; URL—Uniform Resource Locator; URN—Uniform Resource Name; USB ...
1. Search your inbox for the subject line 'Get Started with AOL Desktop Gold'. 2. Open the email. 3. Click Download AOL Desktop Gold or Update Now. 4. Navigate to your Downloads folder and click Save. 5. Follow the installation steps listed below.
Desktop computer power supplies are in general 70–75% efficient, [58] dissipating the remaining energy as heat. A certification program called 80 Plus certifies PSUs that are at least 80% efficient; typically these models are drop-in replacements for older, less efficient PSUs of the same form factor. As of July 20, 2007, all new Energy Star ...
For example, a 900-watt power supply with the 80 Plus Silver efficiency rating (which means that such a power supply is designed to be at least 85 percent efficient for loads above 180 W) may only be 73% efficient when the load is lower than 100 W, which is a typical idle power for a desktop computer. Thus, for a 100 W load, losses for this ...
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NZXT was founded in 2004 by Johnny Hou to produce products specifically for the DIY PC building community. The company's first product was the NZXT Guardian, which was a case featuring a plastic front bezel resembling Transformers toys and lighting effects. [3]