PSU help :)

  scoobacca 20:26 03 Jul 2010
Locked

Heya all my son won a pc at his local college but the psu is only 250w and he'd like to upgrade it if possible.
The only problem we have is that it is in a horizontal case and pc world think they're hard to come by. We've been looking at various websites but can't seem to find what we're looking for . Does anyone no if it is possible to upgrade a psu in a horizontal case and if so what do we look out for at the various websites ...... thx for any reply :)

  rdave13 20:30 03 Jul 2010

Open the case and physically measure the PSU casing. How easy it will be to replace I don't know but should be possible.

  Fingees 20:47 03 Jul 2010

It is possible, but unless your son needs to upgrade other parts, such as graphics, there is not much point, as it is obviously built to work with a 250w psu. To upgrade the psu unnecessarily is a bit of a waste.

  Fruit Bat /\0/\ 21:05 03 Jul 2010

is possible to upgrade a psu in a horizontal case

Yes, no different from a PSU fitted in a tower.

If renewing a PSU check:

1. The physical size of your PSU, some are hard to replace due to being a non standard size.
2. The amount of power need from the PSU don't skimp.
3 The correct connections for your equipment

1. Physical Dimensions

Besides the specs and form factors, the physical dimensions are also important factors in selecting a compatible power supply. Here is an outline of the physical dimensions of most standard power supplies:

# ATX: 6x3.5x5.5", HxWxD. Most common. Uses 4 mounting screws.
# Mini-ATX: 5x3.5x5", HxWxD. Rare size. Uses 4 mounting screws. Can be used in a regular ATX case, but often not the other way around.
# MicroATX: 5x3x4", HxWxD. Use 3 mounting screws. Not interchangeable with ATX or miniATX.
# Flex ATX: Even smaller than Micro ATX. Various sizes according to case specs; often not interchangeable.

Use the data above to determine if a particular power supply would fit your case.

The quality of a power supply can be estimated by its weight. While this is not a true scientific or thorough measurement of the power supply reliability, it is nevertheless a very simple and easy way for ordinary PC users to estimate and compare the quality of a power supply. Why weight matters click here

2. Power supply calculator click here

3. Correct connections
Some boards have 20 pin connectors others 24 pin
There is often a 4 pin plug required to power Intel CPUs
Molex D plugs for IDE HDD and CD/DVD drives
SATA power connections for latest HDDs and DVD drives.


Guide to changing PSU
click here
click here

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