Hi,Most probably you have heard of this question many times before.I have my pc in a small type office desk in a small room of the house,Now the psu fan is very loud i have blown the dust from it even sprayed wd40 onto the fan bearing.Does the fan on the psu just keep the transformer cool or does it supply air to the rest of the pc tower.I'm thinking of trying to sort it out get a quiter system going if it only supplies the psu is it possible to get a silent running psu or something down that line?.Thanks in advance.daiol.
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.
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.
Well thanks all once again,And Fruit Bat /\0/\ That was a very good explanation you provided and to the size i have it is a 5.5 ins psu,So now any thoughts on the ideal place to purchase one?.Thankyou all.daiol.