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Package contents
• 400-Watt or 520-Watt ATX Power Supply
• AC power cord
• User Guide
Installing the power supply
Preparing your power supply:
1 Make sure your motherboard, graphics card,
and other components are compatible with this
power supply. Refer to the documentation that
came with each component.
2 Check your local AC voltage (115 VAC for USA,
Canada, Japan, and others, and 230 VAC for
Europe, Southeast, Asia, and others). The
NS-PCW5250/NS-PCW5250-C is only
compatible with 115 VAC.
3 For NS-PCW4050/NS-PCW4050-C only: Make
sure that the red voltage switch (located on the
back of the power supply) is set to the correct
voltage setting.
Caution: Using the incorrect voltage can damage the power supply
and connected equipment and may void your warranty.
Are you replacing a power supply?
• Yes, start at "Removing your old power supply"
below.
• No, go to "Installing your power supply" on pg 2.
Removing your old power supply:
1 Turn off your computer.
2 Unplug the power cord from your computer.
3 Open your computer case. (See the instructions
that came with your computer.)
4 Disconnect your old power supply from all
computer components.
Tip: Make sure to note each component and the connector type for
when you need to connect them to your new power supply.
5 Remove the screws that secure your old power
supply to your computer case, then remove it
from the case.
Installing your power supply:
1 Position your power supply in the computer
case, making sure that the AC power jack and
cooling fan are facing out, then secure your
power supply using the screws included with
your computer case.
2
2 Connect all power supply cables. Make sure that
each connection is secure.
Tip: If you are replacing an old power supply, reference your notes
a Connect the 20+4-pin main power
b Connect the 8-pin (4+4) or 4-pin +12 V
c Connect all of the following that apply to
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from when you removed the old power supply to make sure you
are connecting all of your components correctly.
connector to your motherboard. If your
computer has an older motherboard with a
20-pin main power socket, connect only the
20-pin main power connector.
power connector to your motherboard.
your computer:
i
The 4-pin peripheral connectors (4) to
any computer components with a 4-pin
connector, such as an IDE drive or a case
fan.
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