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Linuxdude
12-13-2006, 06:48 AM
I've been searching around the net for the past week for a definate answer but I've read numerous threads and posts on various blog sites which contradict each other.

I have just placed an order for the following:

2 x EVGA 8800gtx
1x EVGA 680i Sli mobo
2 x 2GB corsair twinx XMS2 DDR2 PC6400 (800Mhz)
1 x 74gb Western Digital Raptor (I have an existing one so will be running them in a raid config)
2 x 400gb Western Digital SATAII drives (again in raid)
1 x Intel Core 2 Extreme Quad Core QX6700
1 x Dell 24" Dell 2407WFP wide screen LCD display (Use one at work and really like the display)
1 x Gigabyte 3DAurora GZ-FSCA1-AT Black Aluminum Tower Case

Now I was unsure about the power supply I assumed my Thermaltake pure power 680w power supply would be good enough to power the above since it has a combine current rating of 52amps on the 12v rails and its only 6 months old. However I've read many different things stating that you need 60+amps on the 12 volt rails some say you can power 2x 8800 gtx's on 45 amps+ with out any problems. So would i need a new power supply or is the one I am re-using good enough for the sli combo (I would need to use some pci-e convertors in order to get the 4 you need) and everything else I ordered.

Thanks in advance :)

jonnyGURU
12-13-2006, 07:15 AM
Just use your Pure Power.

If you were in the market for a new PSU, I too would say you should seek out a 700W+ PSU with at least 60A on the 12V rail, but you already have a fairly powerful power supply and there's plenty of accounts online of people using 500W, 520W, 600W PSU's with 8800GTX SLI rigs.

Youo have the PSU, why not use it? If it doesn't work, it doesn't work. Cross the bridge when you get to it.

burebista
12-13-2006, 07:23 AM
Yep. You should be fine with your TT.
Micutzu has a similar (http://www.crazypc.ro/forum/showpost.php?p=81429&postcount=9) setup powered by a Tagan U25 700.

CAD4466HK
12-13-2006, 07:37 AM
I've been searching around the net for the past week for a definate answer but I've read numerous threads and posts on various blog sites which contradict each other.

I have just placed an order for the following:

2 x EVGA 8800gtx
1x EVGA 680i Sli mobo
2 x 2GB corsair twinx XMS2 DDR2 PC6400 (800Mhz)
1 x 74gb Western Digital Raptor (I have an existing one so will be running them in a raid config)
2 x 400gb Western Digital SATAII drives (again in raid)
1 x Intel Core 2 Extreme Quad Core QX6700
1 x Dell 24" Dell 2407WFP wide screen LCD display (Use one at work and really like the display)
1 x Gigabyte 3DAurora GZ-FSCA1-AT Black Aluminum Tower Case

Now I was unsure about the power supply I assumed my Thermaltake pure power 680w power supply would be good enough to power the above since it has a combine current rating of 52amps on the 12v rails and its only 6 months old. However I've read many different things stating that you need 60+amps on the 12 volt rails some say you can power 2x 8800 gtx's on 45 amps+ with out any problems. So would i need a new power supply or is the one I am re-using good enough for the sli combo (I would need to use some pci-e convertors in order to get the 4 you need) and everything else I ordered.

Thanks in advance :)

And your sure you have v2.2 and not v2.0 with the 50A@ +5V and 38A@12V

Linuxdude
12-13-2006, 08:38 AM
Thanks for the help :)

According to the manufacturers site and my box it complies with SSI EPS 12V & ATX 12V 2.2 version.

I'll give it ago this weekend as I get the items on friday and will let you know how it goes.

Linuxdude
12-17-2006, 11:01 PM
just an update, I had to do some modding of the cables on the power supply using some adapters. Tested the cards under load for a few hours running 3dmark03/06 and a few games and the system seems to be stable and added another 2 sata drives.

Thanks again for the help! i'm going to be getting another power supply in a few months though but I want to wait for a good 1kw power supply thats not mega expensive.