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The testing conditions may give an unrealistic expectation of efficiency for heavily loaded, high power (rated much larger than 300 W) supplies. A heavily loaded power supply and the computer it is powering generate significant amounts of heat, which may raise the power supply temperature, which is likely to decrease its efficiency.
The system power consumption is a sum of the power ratings for all of the components of the computer system that draw on the power supply. Some graphics cards (especially multiple cards) and large groups of hard drives can place very heavy demands on the 12 V lines of the PSU, and for these loads, the PSU's 12 V rating is crucial.
Super Flower Computer Inc. (Chinese: 振華電腦有限公司; pinyin: Zhènhuá diànnǎo yǒuxiàn gōngsī) is a Taiwanese company founded in 1991 [1] that manufactures power supplies, enclosures, and related components for personal computers and servers.
1981 Sea Sonic enters the PC power supply market; 1984 Headquarters relocates to Shilin, Republic of China. 1986 The factory phases in Automated Test Equipment in production methodology, this is the first in switching power supply manufacturing in Taiwan. 1990 Second factory in Taoyuan County (now Taoyuan City), Taiwan begins operation.
A modern computer power supply is a switch-mode power supply that converts AC power from the mains supply, to several DC voltages. Switch-mode supplies replaced linear supplies due to cost, weight, efficiency and size improvements. The diverse collection of output voltages also have widely varying current draw requirements.
PC Power and Cooling (stylized as PC Power & Cooling), a subsidiary of FirePower Technology, is an American manufacturer of computer power supplies based in Carlsbad, California. The company was established by Doug Dodson in 1985. In 2007, the company was acquired by OCZ Technology. In 2014, FirePower Technology acquired OCZ Technology Group's ...
Stand-alone switched-mode power supply An adjustable switched-mode power supply for laboratory use. A switched-mode power supply (SMPS), also called switching-mode power supply, switch-mode power supply, switched power supply, or simply switcher, is an electronic power supply that incorporates a switching regulator to convert electrical power efficiently.
be quiet! is a German computer hardware brand owned by Listan GmbH, which manufactures power supply units, CPU coolers, computer cases and case fans.The main target groups for products in the be quiet! range are PC enthusiasts and computer game players as well as system integrators.
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