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550ti with a 500W PSU

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  • Nvidia
  • Graphics
  • Product
Last response: in Graphics & Displays
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July 14, 2012 8:39:21 PM

OK, so I'm looking into getting this: http://www.newegg.com/Product/Product.aspx?Item=N82E168...

On Newegg, it shows a minimum requirement of at least 400W. Now, I decided to check the one on PNY's official site and it's showing it as needing a 12v with a 24a rating.

The issue is, my PSU is a 500W, but the 12v rail only shows a 22a rating. Now will it be a system-crashing issue if I attempted to pair this card with my current PSU?

Was able to dig up the page for my PSU: http://www.directron.com/rx500s.html

More about : 550ti 500w psu

July 14, 2012 8:51:58 PM

I also forgot to mention the other things drawing power.

MB: MSI H67A-G43 (B3) LGA 1155

RAM: G.SKILL 4GB (2 x 2GB) 240-Pin DDR3

CPU: Intel Core i3-2100 Sandy Bridge 3.1GHz

x1 120mm cooling fan
x1 120mm LED cooling fan

x2 SATA drives
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a c 469 Î Nvidia
July 14, 2012 11:20:26 PM

That's not bad at all.
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a b Î Nvidia
July 14, 2012 11:40:35 PM

It will work, but I'd replace that PSU ASAP. No 8pin motherboard power and has more floppy plugs then PCIe? Crazy. Also sad that as a "500W" PSU it only puts out 22A on the 12V rail. This makes is more like a 300W PSU. All thats missing to complete the sadness is the little red switch on the back.
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July 14, 2012 11:42:25 PM

I would get the HD 7750 for that PSU.

I have similar PSU like yours , But it's name is 3zone and it is made in Korea. ^^

It's only 400 watts and i run 6670 GDDR5 on it. HD 7750 is the highest GPU i can go without Upgrading my PSU :p 

If you want GTX 550 ti or higher.. You better upgrade your PSU to a Quality one. Just for more headroom. Even if it's another 500watts but it has higher AMPS.
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July 15, 2012 12:21:08 AM

Regor245 said:
I would get the HD 7750 for that PSU.

I have similar PSU like yours , But it's name is 3zone and it is made in Korea. ^^

It's only 400 watts and i run 6670 GDDR5 on it. HD 7750 is the highest GPU i can go without Upgrading my PSU :p 

If you want GTX 550 ti or higher.. You better upgrade your PSU to a Quality one. Just for more headroom. Even if it's another 500watts but it has higher AMPS.


Assuming you know the mobo only has x2 PCIe x16 2.0 slots, you can install a 3.0 card into a 2.0 slot?
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July 15, 2012 5:49:31 AM

It is backward compatible. It will work even on 1.1.
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July 15, 2012 11:53:31 PM

So, just for a final answer....

550 ti or 7750?
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a c 469 Î Nvidia
July 15, 2012 11:55:56 PM

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a b Î Nvidia
July 16, 2012 5:22:50 PM

Cheapest as performance is so close. 7750 if power is a concern.
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July 16, 2012 9:47:09 PM

Well... I keep getting so many mixed responses.

"Yes the 550 will work."
"The 550 sucks. The 7750 is better."
"The 7750 sucks, the 550 is better."
"The 550 won't work on that PSU."

But I guess I'll get the 7750 just to block out the power issue.
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