2-32 Chapter 2: Hardware information
Chapter 2
8. ATX power connectors (24-pin EATXPWR; 8-pin EATX12V)
These connectors are for ATX power supply plugs. The power supply plugs are designed to
t these connectors in only one orientation. Find the proper orientation and push down rmly
until the connectors completely t.
• For a fully congured system, we recommend that you use a power supply unit (PSU)
that complies with ATX 12 V Specication 2.0 (or later version) and provides a minimum
power of 450 W.
• Do not forget to connect the 4-pin/8-pin EATX12 V power plug; otherwise, the system
will not boot.
• We recommend that you use a PSU with higher power output when conguring a system
with more power-consuming devices. The system 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.
• If you want to use two high-end PCI Express x16 cards, use a PSU with 1000W power
or above to ensure the system stability.
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