11. ATX power connectors (24-pin ATX-PWRGD, 4-pin ATX12V)
These connectors are for an ATX power supply. The plugs from the power
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power supply unit (PSU) with a minimum of 300 W power rating. This PSU
type has 24-pin and 4-pin power plugs.
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If you intend to use a PSU with 20-pin and 4-pin power plugs, ensure that
the 20-pin power plug can provide at least 15 A on +12 V and that the PSU
has a minimum power rating of 300 W. The system may become unstable
or may not boot up if the power is inadequate.
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system will not boot up.
• We recommend that you use a PSU with higher power output when
may become unstable or may not boot up if the power is inadequate.
• If you are uncertain about the minimum power supply requirement
for your system, refer to the Recommended Power Supply Wattage
Calculator at http://support.asus.com/PowerSupplyCalculator/
PSCalculator.aspx?SLanguage=en-us for details.
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You must install a PSU with a higher power rating if you intend to install
additional devices.