PSU question

[TheGamingGeneral]

Hello, am often hit with the notion, that, people with these ludacris claims of needing 1600W psu's for sli systems are just nuts. However, I am actually wondering if, minus the cost of buyin the unit, running it is that much more expensive.

Specifically, I have found a modular PSU that I am very interested in, that costs £88, not cheap, but get what you pay for I suppose. It is a 620W corsair I think. However, after looking round, I found a 1000W fully modular psu for £100, just £12 more, and 380W more powerful if my maths serve me right.

But I am wondering, would the 1000W cost me, nearly 40% more to run, or does it not work like that? I have been told the psu's only draw what they need, or, to put it another way, a 1000W psu, doesnt nescesarily mean it costs twice as much to run as a 500W.

Thanks a lot for any help

Martyn

 

[TheGamingGeneral]

Thanks buddy. It's the Ultra X3 1000W

Manufacturer website:

http://www.ultraproducts.com/product_details.php?cPath=97&pPath=632&productID=632

3dgamerman review

http://www.youtube.com/watch?v=X80Hso2VE9A&feature=related

 

[TheGamingGeneral]

Hi GeneralD, if you don't mind me asking, what sort of system are you looking at running?

Sure, the system I had in mind would be built in two teers.

Initially, it would be

E6750
Gigabyte P35 DS3L
8800 GTS 512mb
2GB Corsair Dominator PC8500
Silverstone TJ07/09 case

To be then upgraded around summer time to something along the lines of:

XFX 790 ultra
2GB DDR3 RAM
9*00 G** x2
Q9450
Blu ray drive

I was under the impresion that, eventhough the high end of the two would still not fully tax the PSU, I wasnt so sure the 620W would be up to powering a, say Quad SLI setup, if I indeed went for that. N am not so keen on spending £88, and then a further £100 less than three months later. I'd rather pay once and then be done with it.

Martyn

 

[TheGamingGeneral]

I'm still not convinced SLI is ever going to be worth it. I went for a 620 which gives me enough scope for different things without being stupid.

Well I mean, the ultra is only £8 more, and, if it isnt more expensive to run, I cant see what is dumb about it. It does everything the corsair runs, just as cheaply (apparantly), and, gives me the as much adding potential as I could ever want. As far as I can tell, theres no down side to it. Which was why I put this thread up to make sure I am reading it right

Martyn