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An ATX power supply provides a number of peripheral power connectors and (in modern systems) two connectors for the motherboard: an 8-pin (or 4+4-pin) auxiliary connector providing additional power to the CPU and a main 24-pin power supply connector, an extension of the original 20-pin version. 20-pin Molex 39-29-9202 at the motherboard. 20-pin ...
HP's server power supplies have reached 94% efficiency. [25] Standard PSUs sold for server workstations have around 90% efficiency, as of 2010. The energy efficiency of a power supply drops significantly at low loads. Therefore, it is important to match the capacity of a power supply to the power needs of the computer.
The ATX specification defines the Power-Good signal as a +5-volt (V) signal generated in the power supply when it has passed its internal self-tests and the outputs have stabilized. This normally takes between 0.1 and 0.5 seconds after the power supply is switched on.
The 16-pin 12VHPWR connector is a standard for connecting graphics processing units (GPUs) to computer power supplies for up to 600 W power delivery. It was introduced in 2022 to supersede the previous 6- and 8-pin power connectors for GPUs. The primary aim was to cater to the increasing power requirements of high-performance GPUs.
The HP Pavilion dv5 was a model series of laptop/mobile computers manufactured by Hewlett-Packard Company that features a 15.4" diagonal display. The HP Pavilion dv4 features a 14.1" and the HP Pavilion dv7 a 17" display. The dv5 series has been discontinued, being partially replaced by the dv6 (16") series, and released again as a 14.5" model ...
First introduced in July 2006, [1] the HP Pavilion dv9000 series was a series of high-definition capable widescreen laptops using the HP Imprint finish. It featured 17.0" 16:10 LCD displays housed in a clamshell-type case, measured 15.16 x 11.65 x 1.57 inches, and weighs anywhere from about 7.7 lb (3.5 kg) to 8.4 lb (3.8 kg).
The HP Pavilion dv4 is a model series of laptops manufactured by Hewlett-Packard Company that features a 14.1" diagonal display. The HP Pavilion dv5 features a 15.4" and the HP Pavilion dv7 a 17" display.
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.
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