How much power is needed for a Media center PC?

[I Shooter]

I am in the getting all the stuff together for a Media center PC. The case I picked out has a 400 watt psu. I think that is to small. I have calculated that I will need 500 watts so I plan to buy a 600 watt psu. Here is what I came up with.

Motherboard              Intel DG33TLM                                                75 
Processor                   Intel core 2 Quad Q6600                              105
Memory                      Corsar DDR2 4GB                                            60
Hard drive                  2 500 GB hard drives                                      60
Optical drive               Sony                                                               35
Integrated Video                                                                              15           
Video card                                                                                       100
PCI card                       Internet card                                                 15
PCI E card                    TV card                                                          25
USB                              Mouse & keyboard                                          5             
Fans                                                                                                    5

total                                                                                                500

I think I will have to go with the 600 watts. Any thoughts?

[squall_01]

Thanks for some help.  Ummm I would go with like a 450 or something 600 sounds a little high.

[I Shooter]

I thought that you always needed to go over what was calculated. Did I make a mistake in what I calculated? If so where? May be I only need 550 watts. I am new at this. I just don't wont to under power the system.

[Calum]

You may as well grab a 600W, that leaves ample room for expansion in future.
You can never have too much power, just buy a good brand or it'll be worthless.
I would also never personally go with a PSU included with a case unless it has great reviews, I prefer to pick my own.

[I Shooter]

I was going to go with Antec case and PSU. I don't know *censored* I thought they made good stuff.  What would you recommend?

[Calum]

Have you got a link to the specific one?
Antec do make good cases and PSUs actually, if the power is ample I'd go for it.

[squall_01]

I just thought that it would be too much power an possibly overload the system.

[Calum]

You can never have too much power squall.
The power supply can supply up to the stated amount in the best case scenario.
A high power rating means it can supply more power, it doesn't mean it supplies that all the time and overloads components.

[squall_01]

I thought it had.

[I Shooter]

I will go with the 600. Thanks for your time.

[squall_01]

Good choice then, should give you enough power to aid in running other little goodies if you connect them.

[Calum]

You're more than welcome.
If you have any more questions feel free to post back.

[I Shooter]

I have ran into a problem. The case I am going to use, the Antec NSD1380 has only a 350 watt PSU. I thought I could replace it with a 600 watt PSU, no such luck. They don't make one for that unit. I have to use that case because of the space it has to fit in in the travel trailer. The shelf where I have to put it is only 15" deep and the NSD1380 is the only case I cold find that is only 13.2"deep. Most cases are between 15"to17". If I could find a wide short case that wold be great. I thought I could cut back on the watts *censored* I can't get it below the 350 watts. If I replace the CPU with a duel core I will save 40 watts, then only  use 2GB of memory I can save 30 more. Then if I use a smaller video card I am told that I could save as much as 70 watts. That gives me 360 watts on a 350 watt PSU. Do any of you know of a short wide case that has more power? Short of hacking the case up to make the PSU fit I don't know what to do.

[hejlik]

Won't the 600 watt ps fit?

[patio]

Whose PSU's are you looking at ? ?
Have you checked a mini ATX PSU ? ?