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An external power supply, AC adapter or power brick, is a power supply located in the load's AC power cord that plugs into a wall outlet; a wall wart is an external supply integrated with the outlet plug itself. These are popular in consumer electronics because of their safety; the hazardous 120 or 240 volt main current is transformed down to a ...
25 Power supply units (PSUs) 26 Random-access memory (RAM) modules. 27 Random-access memory (RAM) chips. 28 Headphones. 29 Image scanners. 30 Sound cards. 31 TV tuner ...
Pages in category "Power supplies" The following 25 pages are in this category, out of 25 total. This list may not reflect recent changes. ...
[16] [17] For a comparison, a 500-watt power supply carrying the 80 Plus Bronze efficiency rating (which means that such a power supply is designed to be at least 82% efficient for loads above 100 W) may provide an 84% efficiency for a 100 W load, wasting only 19 W. [18] Other ratings such as 80 Plus Gold, 80 Plus Platinum and 80 Plus Titanium ...
Pages in category "Computer power supply unit manufacturers" The following 25 pages are in this category, out of 25 total. This list may not reflect recent changes. A.
For a given power supply, efficiency varies depending on how much power is being delivered. Supplies are typically most efficient at between half and three-quarters load, much less efficient at low load, and somewhat less efficient at maximum load. Older ATX power supplies were typically 60% to 75% efficient. To qualify for 80 Plus, a power ...
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