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2

Installing the power supply

DX-400WPS/DX-520WPS

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 

DX-520WPS is only compatible with 115 VAC.

3

For DX-400WSP 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

Connect all power supply cables. Make sure that each connection 
is secure.

Tip:

 If you are replacing an old power supply, reference your notes from 

when you removed the old power supply to make sure you are 
connecting all of your components correctly.

a. Connect the 20+4-pin main power 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.

b. Connect the 8-pin (4+4) or 4-pin +12 V power 

connector to your motherboard.

c. Connect all of the following that apply to 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.

ii.

The floppy drive power connector to the floppy 
drive.

13-0313 DX-400WPS-DX-520WPS_MAN_ENG_V5.book  Page 2  Thursday, March 27, 2014  7:47 AM

Summary of Contents for DX-400WPS

Page 1: ...ATX 520 Watt Power Supplies DX 400WPS DX 520WPS USER GUIDE Before usingyournew product please read these instructions to prevent anydamage 13 0313 DX 400WPS DX 520WPS_MAN_ENG_V5 book Page 1 Thursday March 27 2014 7 47 AM ...

Page 2: ...information 1 Power supply components and features 1 Package contents 1 Installing the power supply 2 Connector types 3 Troubleshooting 4 Specifications 4 Legal notices 4 One year limited warranty Dynex 5 13 0313 DX 400WPS DX 520WPS_MAN_ENG_V5 book Page ii Thursday March 27 2014 7 47 AM ...

Page 3: ... is plugged into the power supply Make sure that you connect your power supply properly Check your motherboard and graphic card manuals for compatibility before connecting the power supply to any of your devices Caution forDX 400WPSonly Checkthered powersupplyvoltage switchsetting beforeinstallation The settingshould bethe sameas your localpowervoltage 115 Vfor NorthAmerica and 230 V for Europeand...

Page 4: ...omponents Tip Makesuretonoteeachcomponentandtheconnectortypefor when you needtoconnectthemto your newpower 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 thattheACpowerjackandcoolingfanarefacingout thensecure yourpowersupplyusingthescrewsinclud...

Page 5: ...terbypressingthepowerbuttononthefront of the case Note For moreinformation refertoyour computer s user guide Connector types Connector Illustration Connect to 20 4 PIN Main Power The motherboard 4 PIN 12V 400 Watt PS only The motherboard for CPU power OR 8 PIN 4 4 12V 520 Watt PS only The motherboard for CPU power 4 PIN peripheral Total 3 connectors Internal IDE drives Serial ATA SATA Total 4 conn...

Page 6: ...harmful interference unless the modifications are expressly approved in the instruction manual The user could lose the authority to operate this equipment if an unauthorized change or modification is made Caution Anychangeormodificationtothe equipment notexpressly approvedbythemanufactureroritsauthorizedpartiescouldvoidyour authoritytooperate theequipment UL statement Any information or documentat...

Page 7: ...r This warranty does not cover Customer instruction education Installation Set up adjustments Cosmetic damage Damage due to acts of God such as power surges Accident s Misuse Abuse Negligence Commercialpurposes use includingbutnotlimitedtouseinaplaceofbusiness or in communal areas of a multiple dwelling condominium or apartment complex or otherwise used in a place of other than a private home Modi...

Page 8: ...MN 55423 U S A 2014 BBY Solutions Inc All rights reserved DYNEX is a trademark of BBY Solutions Inc Registered in some countries All other products and brand names are trademarks of their respective owners V5 ENGLISH 13 0313 13 0313 DX 400WPS DX 520WPS_MAN_ENG_V5 book Page 1 Thursday March 27 2014 7 47 AM ...

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