Can I change the Power Supply?

[TheAnonymousSpy]

Hi! I need your guys help... So first I have a 250 watts power supply and I want to change the power supply to I don't know something like 300 or 400 watts depends on my budget. The problem is that I don't know if the 300 or 400 watts power supply would fit in my system unit cause normally, 300 or 400 watts usually have bigger system unit and I don't know if it will fit...

Here's the link to what my system unit looks like:
Google Image Result for http://www.abcua.com/images/goods/5470/12178_b.jpg

[TheAnonymousSpy]

oh yeah I forgot, what would be the problems if I change the power supply

[Whir]

The internet seems replete with a lack of information regarding this unit's power supply. It's hard to say. If it's a standard PSU, then it should be easily replaceable, however a lot of those types of units have specially sized units to make them fit.

[GLaDOS]

I'd be careful when it comes to power supplies. A lot of the other components can be changed without too much trouble, but the power supply can be dangerous. Is your power supply not supplying enough power to the components in your computer? (I can only imagine this would be a problem if your computer is custom built or if you have switched out some of the components that came with the computer when you bought it.)

Remember, if you get this wrong you run the risk of frying your computer or worse, being seriously hurt. With just about any other part I'd say do it yourself, but if it were me dealing with a power supply, I'd take it to a professional or see if the vendor provides some sort of service to do this.