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GAMERIG Dec 18, 2009 09:05 PM

I Have Question For You...
 
Hi,

I got 2XGTS 250 for SLI. :D Now My question is: I can install on MSI mainboard SLI with eXtreme Power Plus 460W Regular, it will be fine?

I need your feedback asap, thanks in advance..

erocker Dec 18, 2009 09:08 PM

No. Not enough PCI-E connectors, not enough Amps on the 12v rail and not enough watts.

GAMERIG Dec 18, 2009 09:14 PM

Quote:

Originally Posted by erocker (Post 1682330)
No. Not enough PCI-E connectors, not enough Amps on the 12v rail and not enough watts.

Yes, i ask you why i have not enough watts? I have extra PCIe adpater from evga gpu box .. I did read manual, there did not say anything power supply unit as requirement.

erocker Dec 18, 2009 09:20 PM

On Nvidia's website it states one card needs a 450W PSU. The wattage isn't really the important thing here though, that PSU doesn't provide enough amperage to run two cards. Look for a PSU that has a sufficient amount of PCI-E connectors and at least 20 amps per card on the 12v rail. So something with about 40 amps total.

johnspack Dec 18, 2009 09:23 PM

Get a Corsair, preferably a TX750, but a TX650 would do for you. Don't use a cheap power supply, it can ruin your equipment. Check this egg entry:http://www.newegg.com/Product/Produc...82E16817139005 I would look for this kind of amperage on the 12v line ect.

Paulieg Dec 18, 2009 09:24 PM

Erocker is 100% correct here. If you try running this with your power supply, you will kill it and no telling whether you'll take other components with it. DON'T mess with less than adequate power supplies, and ALWAYS stick with quality brands.

Goodman Dec 18, 2009 09:27 PM

Quote:

Originally Posted by erocker (Post 1682345)
On Nvidia's website it states one card needs a 450W PSU. The wattage isn't really the important thing here though, that PSU doesn't provide enough amperage to run two cards. Look for a PSU that has a sufficient amount of PCI-E connectors and at least 20 amps per card on the 12v rail. So something with about 40 amps total.

+1 on this but if you can get more (20+) on 12v rail the better

GAMERIG Dec 18, 2009 09:36 PM

Quote:

Originally Posted by erocker (Post 1682345)
On Nvidia's website it states one card needs a 450W PSU. The wattage isn't really the important thing here though, that PSU doesn't provide enough amperage to run two cards. Look for a PSU that has a sufficient amount of PCI-E connectors and at least 20 amps per card on the 12v rail. So something with about 40 amps total.

erco, Yes Now I understanding this clearly. Thank you for specified detail clarification, i really really appreciated it.. :toast:

Quote:

Originally Posted by johnspack (Post 1682347)
Get a Corsair, preferably a TX750, but a TX650 would do for you. Don't use a cheap power supply, it can ruin your equipment. Check this egg entry:http://www.newegg.com/Product/Produc...82E16817139005 I would look for this kind of amperage on the 12v line ect.

John, AWESOME! thank you for recommend me tht PSU. I believe that Fry has Corsair power supplies for PC. but how about Cooler Master Silent 700w? Next week, I will get one from frys which is location near where i live. ;)

Quote:

Originally Posted by Paulieg (Post 1682351)
Erocker is 100% correct here. If you try running this with your power supply, you will kill it and no telling whether you'll take other components with it. DON'T mess with less than adequate power supplies, and ALWAYS stick with quality brands.

Paul, thank for save me from tons of headache... :toast:

Quote:

Originally Posted by Goodman (Post 1682359)
+1 on this but if you can get more (20+) on 12v rail the better

Yeah, how can i get more 20+ on 12v?


thanks for replied my post, quickly.. ;)

johnspack Dec 18, 2009 09:55 PM

The corsair tx650 has 50amps for the 12v rail. The tx750 which I have, has 60amps. Trust me, it is sufficient!

bogmali Dec 18, 2009 10:00 PM

TX650 is what you need.......If this makes you feel any better, I'm running 4XGTS-250's in one of my folding farms with that PSU;)

Look in the very bottom of this page and you'll see it;)

http://forums.techpowerup.com/showpo...9&postcount=20

GAMERIG Dec 18, 2009 10:21 PM

Quote:

Originally Posted by johnspack (Post 1682390)
The corsair tx650 has 50amps for the 12v rail. The tx750 which I have, has 60amps. Trust me, it is sufficient!

I am lazy to go frys tonight. however I will pick it up at frys next week. I check frys site and I have very diffcult to decision which is best psu:

TX750- $119.99
TX650- $109.99

I can afford those..

Mm, Should I go with TX750w?

I need your help!

Thanks in advance..

Soylent Joe Dec 18, 2009 10:25 PM

Quote:

Originally Posted by GAMERIG (Post 1682416)
I am lazy to go frys tonight. however I will pick it up at frys next week. I check frys site and I have very diffcult to decision which is best psu:

TX750- $119.99
TX650- $109.99

I can afford those..

Mm, Should I go with TX750w?

I need your help!

Thanks in advance..

No reason not to go with the TX750W if it's only $10 more. Get it and it will serve you well for years to come.

johnspack Dec 18, 2009 10:29 PM

I love my tx750, it's a beast! It should run 2 gtx285s no problem. Possibly even 2 gtx295s! Edit: it supports 4 8 pin video connectors, you can plug anything in!

GAMERIG Dec 18, 2009 10:33 PM

Joe, Ha, thats true... thank for responses me back quick..

I already decide to go with the TX750W. I can't wait to install my sweet 2X GTS 250 SLI on my rig, when getta the TX750W before xmas. ;)

GAMERIG Dec 20, 2009 04:11 AM

Moderator, please this is lock up asap, because i already solved with my decision. smile thank you very much!


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