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GIGABYTE GeForce GTS 250 Power Problem

Tags:
  • Graphics Cards
  • Geforce
  • Gigabyte
  • Power
  • Graphics
Last response: in Graphics & Displays
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October 3, 2010 5:48:04 AM

Hi guys I am having problem I have a GIGABYTE GeForce GTS 250 1GB card I know it requires more power so I decide to buy this PSU Cooler Master Real Power Pro 550W u all know that GIGABYTE GeForce GTS 250 requires +12v 24A…..but the question is will this PSU witch I suggest will be ok to my card I am pretty confused it has 3 +12v with 19A on each only and note that my card has only one 6 pin PCI power connector…..if u guys can clear my mind up it will be great and thank full

Note= i have only one card

My card link (GIGABYTE GeForce GTS 250)
http://www.tweaktown.com/reviews/1789/gigabyte_geforce_...

PSU link (Cooler Master Real Power Pro 550W )
http://www.coolermaster.com/product.php?product_id=2550

This is my system


Processor - Intel® Core™2 Quad 2.4GHz
Memory - 4.0 GB RAM
GPU - NVIDIA GeForce GTS 250 1GB
HDD - 160GB

Thanks

More about : gigabyte geforce gts 250 power problem

a c 189 U Graphics card
October 3, 2010 6:00:56 AM

I'm pretty sure GTS250 only need one 6 pin power connector, so you'll be fine my friend, don't worry about that, your PSU is good enough to handle GTS250 without problem... :) 

Your PSU specs:
4 12V rails, each has 19A-19A-19A-0.8A, so that's make 57A total. That's plenty.
GTS250 need 24A, so it leave you MANY amperage left for your system.

Again, you will be fine.
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a c 177 U Graphics card
October 3, 2010 6:03:49 AM

You have 36A available on that PSU. CM isn't known as one of the better companies for PSUs, but you should be fine with that one. The GTS250 doesn't need 24A, but a typical system with one should. With 36A you are good to go.
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October 3, 2010 6:22:39 AM

Thanks a lot for your reply but u know i am a NOOB in this stuffs :p  well wont my card need a single +12v with 24 A to run? how it will get 24A if i plugged only one +12v 19A to my card because my card has only one 6 pin connector wont i have to plug 2 +12 V 19A to get the correct power of AMPS i want.and i have only one connector so how it will work fine on my card.. this is the question witch is running in my mind can u guys clear my mind... i am hoping to buy this PSU by tomorrow...

Thanks again for your time and consideration
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a c 177 U Graphics card
October 3, 2010 6:28:59 AM

Quote:
You have 36A available on that PSU. CM isn't known as one of the better companies for PSUs, but you should be fine with that one. The GTS250 doesn't need 24A, but a typical system with one should. With 36A you are good to go.


A system as a whole will need about 24A on the 12V rail(s). This is probably assuming a quad core CPU, 4GBs of ram, and the usual drives. If you have a lower end dual core you could use an even smaller PSU.

The GTS250 has a power draw of around 150W if I remember correctly. 150W / 12V = 12.5A. This is well under the 19A limit of your PSU.

Quote:
Your PSU specs:
4 12V rails, each has 19A-19A-19A-0.8A, so that's make 57A total. That's plenty.


Not even close. I thought you knew this stuff Wa1.
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October 3, 2010 6:38:55 AM

Uhh...yea that is quite off. How you measure is find the total output on the 12 rail and divide it by 12



In this case it would be

432 / 12 = 36

So 4745454b is correct.
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a c 177 U Graphics card
October 3, 2010 6:43:42 AM

You can also ignore the -12V. The -5V rail has been removed from the current specs, and its rumored that the -12V rail will be next. There isn't anything really that modern systems use on the -12V rail which is why you don't even see one amp on it. I personally am surprised they didn't remove it when we went from the 4pin AUX connector to the 8pin.
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October 3, 2010 6:48:57 AM

thanks for reply sorry to say i still did not get it hmm all i want to know is wont my card need a single +12v with 24 A to run? how it will get 24A if i plugged only one +12v 19A to my card because my card has only one 6 pin connector wont i have to plug 2 +12 V 19A to get the correct power of AMPS Please answer this question so i can clear my mind:p 

i feel like each of the 6pin connectors come form the PSU gives +12V 19A so if i plugged only one connector so my card will get only 19A correct me if i am wrong i truly don't know this stuffs:p 

thanks agin for your reply
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a c 189 U Graphics card
October 3, 2010 6:58:24 AM

4745454b said:


Not even close. I thought you knew this stuff Wa1.



^
Yes, thanks for the info, 4745454b, i really appreciate it. We don't accumulate the total amount of amperage on each rails but 432 / 12 = 36.
I'll remember this one. :) 
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October 3, 2010 7:21:44 AM

Please can any one answer my question?????
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October 3, 2010 7:27:11 AM

wa1 said:
^
Yes, thanks for the info, 4745454b, i really appreciate it. We don't accumulate the total amount of amperage on each rails but 432 / 12 = 36.
I'll remember this one. :) 



i feel like each of the 6pin connectors come form the PSU gives +12V 19A so if i plugged only one connector so my card will get only 19A correct me if i am wrong i truly don't know this stuffs:p  all i want to know is wont my card need a single +12v with 24 A to run? how it will get 24A if i plugged only one +12v 19A to my card because my card has only one 6 pin connector wont i have to plug 2 +12 V 19A to get the correct power of AMPS Please answer this question so i can clear my mind:p 
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a c 177 U Graphics card
October 3, 2010 7:29:28 AM

??? Let me try this one last time...

THE GTS250 DOESN'T NEED 24A The ENTIRE system will typically need 24A but the GTS250 DOES NOT NEED 24A. The CPU + GPU + RAM + motherboard + drives will need around 24A on the 12V rail, but the GTS250 will only need around 12.5 for itself.

Got it now?
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a c 177 U Graphics card
October 3, 2010 7:33:21 AM

Actually, each 6 pin plug provides 75W of power. 75W / 12V = 6.25A. The card gets another 75W from the mobo its plugged into, which gives you the 150W max figure I said earlier.

I can tell you don't understand any of this. Either trust me when I say you'll be fine, or go start reading about Ohms law and PSU construction. Perhaps if you understood how multi rail PSUs worked and what OCP is you'll understand this better.
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October 3, 2010 7:40:51 AM

@ 4745454b thanks a lot man now i truly got it and now... trust your words so tomorrow i am going to buy that psu :) :)  thanks again for your time and kind explanation
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October 3, 2010 7:41:30 AM

Best answer selected by asiff6000fx.
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October 3, 2010 7:43:47 AM

no you do not need 2 connectors because if it did your card would also have 2 6 pin plugs, they say you need 24 volts, this is a standard system total with the card, the card itself only requires about 12 volts total, the rest of the system would require 12 volts for a total of 12 volts, the mainboard has a 4 pin connector that is connected to 1 12 volt rail and is taking 12 volts, the video would be plugged to the 6 pin connector asking for 12 volts (24 volts total), and see, below the 19 volts on each rail and on rail available, in reality the power supply does the work of regulating sufficient voltage, wattage and amperage to all the devices, so to answer your question, yes it will work, buy it if it's a good deal, otherwise get an Antec 550 or a Seasonic 550 watt, may cost a little more but are well worth it. BTW I have a Coolermaster Extreme Power Plus 600 watt and I can SLI/Crossfire with it. I wouldn't do it mind you, I would go at least with a 750 watt for that but that is personal choice. Just trust what everyone is saying, more or less what they are all trying to say is YES you can do it fine. Have fun with the card. You should be able to run games well if you are or a 22" screen with 1600x1080 graphics
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a c 177 U Graphics card
October 3, 2010 7:49:36 AM

??? Rattman, not even close. There is a difference between volts and amps. Some of what you wrote is correct, but you never used the word amps so its wrong. Amps != volts.

Asiff, enjoy your new system. A Q6600 and a GTS250 with 4GBs of ram should be good for gaming. Even 1680x1050 should be fine for many games. I think you'll be pretty happy with everything.
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a c 273 U Graphics card
October 3, 2010 8:09:12 AM

This topic has been closed by Mousemonkey
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