Power Supply question GTX260

Max on that PSU is 52amps on 12v rail I believe. you should be fine with that one. Of course you can only use 19amps per rail. Most PSU's with multiple rails have a primary 12 volt section then break them into different rails, so you cant really just add all the rails together to get total amps but usually its close I believe.

We've got a member here who is running dual GTX260's and a Quad on an Antec 500, I wouldn't worry about running 1 GTX on a 650.

Unfortunately, due to a lot of poorly constructed power supplies, specs tend to be inflated on required wattage/amperage.

You *cannot* simply add the rails together to get total amperage. What you want to do is find out the total amperage of the 12V rails taken together. The easiest way to do this is to look at the sticker:
http://www.newegg.com/Product/Show [...] wer+Supply

The sticker clearly states that it supports 624W on the 12V lines, or 52A.

Then, we'll go look at actual power consumption measures:
http://www.anandtech.com/video/sho [...] =3341&p=22
which show a single 260 consuming around 260W

Your PSU is overkill and a half. Quite literally (260*2.5=650)

Hi, I will be getting a GTX260 card along with these parts, C2D E8400, 2 GB Ram, 2x Sata Drives, 2x DVDRW Drives and an Asus P5kc Motherboard.

My current system has a Spire Rocketeer 500W PSU with 2x 12v rails at 20A each and 32A combined.

I would like to keep this PSU with the new system, will it handle it? Or will I need to get a new PSU?

Thanks

Interesting... just had a post on this under the Nvidia subsection about the Antec NeoPower 480W and the BFG GTX260... People seem split on that one... :\