Is My PSU Powerful Enough for a GTX760?

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Roman2179

Member
Jun 25, 2013
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Specs:
Supermicro PDSBA
Intel Xeon X3220
8GB RAM
PSU Hiper 530W

PSU Specs:
5V (± 5%) 2.0A - 34A
+12V 1 (± 5%) 1.0A - 20A
+12V 2 (± 5%) 1.0A - 17A
-12V (± 10%) 0A - 0.8A
+5VSB (± 5%) 0 - 2.5A
+3.3V (± 5%) 0.5 - 30A

Is this PSU enough to run a GTX760? EVGA lists the minimum requirements as "500 watt or greater power supply with a minimum of 30 amps on the +12 volt rail." I have a total of 37 amps on the 12V rail but that's across two rails. Am I still okay to run a 760?

Also, it only has one 6-pin PCIe connector. Is it okay to use a splitter?

I realize that this card is overkill for that system but I am getting it as a way of future proofing for when I upgrade the rest of the computer. I am getting a new card now since the caps on my old card exploded.

Thanks in advance,
Roman
 
toyota

toyota

Lifer
Apr 15, 2001
12,957
1
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Eureka said:
More than enough. Use a molex to 6-pin PCI-e adapter.
Click to expand...
um its not really more than enough at all. those amps are NOT added together as that's not the way it works. in fact it is only "rated" for 350 watts on the 12v combined when new which is not all that good and will mean that psu will get pushed pretty hard. plus the psu is also not of very good quality. it uses cheap parts and is rated to make power below 50 C which is not realistic. I would say at best he has 300 watts to work with on the 12v line in realistic conditions when brand new. after years of use he likely has 275 watts at best available on 12v line.

cpu 105 watts
gpu 170 watts
rest of system 50-75 watts

that is potentially 325-350 watts right there on stock settings. that is easily 275 watts or more in demanding gaming on just stock settings so NO way I would use that relatively cheap psu for that system.
 
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toyota

toyota

Lifer
Apr 15, 2001
12,957
1
0
Roman2179 said:
So something like this is a no go?
http://www.newegg.com/Product/Produc...82E16812198016

Thanks,
Roman
Click to expand...
there is a reason that cheap psu only comes with one 6 pin pci-e so I would not do it. your cpu is never going to let you get anywhere near the full performance capabilities of the 760 anyway. 650 ti boost or plain 660 is the very highest I would go with your psu and system.

personally I would buy a better psu no matter what as you can transfer that to your next pc and stick that Hiper psu back in your old one later. also with a new psu, you can get a cooler and oc the cpu and have a nice gaming pc with a gtx770.
 
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Roman2179

Member
Jun 25, 2013
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I want a modular PSU for the sake of cable management. The rest of this computer will probably be retired in the not so distant future, so I figure I'm better off getting a better PSU now instead of buying one more later on.

What other PSUs would be good in that price range that might be a better bang for my buck?
 
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Roman2179

Member
Jun 25, 2013
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Is the difference between this OCZ PSU

http://www.newegg.com/Product/Produc...82E16817341052

and this PC Power and Cooling PSU

http://www.newegg.com/Product/Produc...82E16817703038

significant enough to pay for the PCP&P PSU?

They pretty much have the same exact power ratings across the rails. The only big difference is that the PCP&P PSU is 80 Plus Gold Certified while the OCZ PSU is only 80 Plus Bronze certified.

I realize that both of those are made by OCZ but is there point in spend around 30 dollars more for the PCP&P? Is the quality that much better on the PCP&P?

Thanks,
Roman

::EDIT:: Looks like the OCZ PSU would end up being $60 after the coupon code and rebate while the PCP&P would be $110 after rebate. So is the PCP&P $50 better than the OCZ?

::EDIT2:: The OCZ PSU isn't getting the greatest of reviews, unfortunately...
 
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2timer

Golden Member
Apr 20, 2012
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Personally, I'd go with this: http://www.newegg.com/Product/Produc...82E16817256065. It's rated 500W and it's modular. I don't believe that a PSU's total wattage rating means a whole lot unless it's from a highly reputable company. If a Silverstone PSU says 500W, you know it's adequate.

Also, a full modular PSU is a luxury unless you have a tiny ITX case. In an MATX case, cable management is easy, but in an SG05 where you have literally an inch between the PSU and the case, it's a necessity. If you have an MATX case, a regular PSU with some careful cable management might be better.
 
alexruiz

alexruiz

Platinum Member
Sep 21, 2001
2,836
556
126
Roman2179 said:
Is the difference between this OCZ PSU

http://www.newegg.com/Product/Produc...82E16817341052

and this PC Power and Cooling PSU

http://www.newegg.com/Product/Produc...82E16817703038

significant enough to pay for the PCP&P PSU?

They pretty much have the same exact power ratings across the rails. The only big difference is that the PCP&P PSU is 80 Plus Gold Certified while the OCZ PSU is only 80 Plus Bronze certified.

I realize that both of those are made by OCZ but is there point in spend around 30 dollars more for the PCP&P? Is the quality that much better on the PCP&P?

Thanks,
Roman

::EDIT:: Looks like the OCZ PSU would end up being $60 after the coupon code and rebate while the PCP&P would be $110 after rebate. So is the PCP&P $50 better than the OCZ?

::EDIT2:: The OCZ PSU isn't getting the greatest of reviews, unfortunately...
Click to expand...

The PCP is 80+ gold, the ZT is 80+ bronze. But at $60 AR, the OCZ ZT 750W is a no brainer. I know the seasonic fanboys will tell you to get the XFX, but the ZT is a very very nice unit, very well reviewed, capable of crossfire / SLI 2 high power video cards, and let me write this one in bold: 62A in a single 12V rail, with 4 x 6+2 PCI-e connectors.

The only downside is that the PSU is long, so if your case is case is short depth, you might have ergonomics issues ;)
 
A

amenx

Diamond Member
Dec 17, 2004
4,542
2,884
136
alexruiz said:
The PCP is 80+ gold, the ZT is 80+ bronze. But at $60 AR, the OCZ ZT 750W is a no brainer. I know the seasonic fanboys will tell you to get the XFX, but the ZT is a very very nice unit, very well reviewed, capable of crossfire / SLI 2 high power video cards, and let me write this one in bold: 62A in a single 12V rail, with 4 x 6+2 PCI-e connectors.

The only downside is that the PSU is long, so if your case is case is short depth, you might have ergonomics issues ;)
Click to expand...
Fully agree. Missed the part where it would end up costing only $60.
 
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Roman2179

Member
Jun 25, 2013
34
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Just one last question at this point. Will the OCZ unit be compatible with a haswell system?

Thanks
 
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Roman2179

Member
Jun 25, 2013
34
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The PCP&P states that it is haswell ready and should be able to work in the extremely lower power states.

While I could probably turn off of the C6 and C7 power states in the bios if it becomes an issue, I'd rather be able to use all of the features I'm paying for. Even though I doubt the power savings are all that significant, but nonetheless, still a feature I'm paying for.

I definitely don't want to get a power supply then later find out that it's not stable under such low loads. So as a way of future proofing the purchase, would the PCP&P be a better purchase? Or any haswell certified unit for that matter.
 
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JimmiG

Platinum Member
Feb 24, 2005
2,024
112
106
Power savings are 2-3W at idle. Most PSU's are Haswell compatible, "certified" or not. As long as you have something else on the 12V rail (fans, HDD's) even an "incompatible" PSU will probably work.
 
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