Psu compatability help

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Houhie

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Sep 19, 2013
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10,510
Hey guys, I'm new here so I apologize if I'm posting in the wrong section.

I'm thinking about buying a new Nvidia 770 gtx for my rig, but I'm not too savvy with power supplies. I would greatly appreciate if someone could look this over and tell me if they think this is gunna work out.

So my setup will look like this:
Cpu: AMD Phenom II X6 1100T that clocks at 3.3GHz
Ram: 4 sticks 4GB DDR3 each (16 gigs total)
Gpu: EVGA GeForce GTX 770 dual superclocked 4GB with the acx cooler
HDD: Standard 500GB HDD, I'd have to look for specifics if that's important.
MOBO: msi 870A-G54

I also will be using 2 80mm case fans, and 2 dvd drives if that makes a difference.

I am thinking about purchasing a Gaming Series GS800 2013 Edition 800 Watt ATX 12V Power Supply from microcenter. The problem being I'm not absolutely sure if this psu will accommodate the new gpu along with my old rig.

To avoid confusion here's a link to the psu I'm thinking about buying;
http://www.microcenter.com/product/406365/Gaming_Series_GS800_2013_Edition_800_Watt_ATX_12V_Power_Supply

Thanks in advance for any help! :)
 
Solution
dfryda
The only problem I might see is that you need an 8-pin and a 6-pin connector for your video card. The specs for the power supply state that it only has (2) 6-pin connectors for dedicated video. They make adapters for the Molex connectors, but if you want things to look clean under the case you might want to get a power supply that has duel 8-pin connections. As far as wattage, that power supply should have plenty for your system.
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dfryda

dfryda

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Mar 10, 2009
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The only problem I might see is that you need an 8-pin and a 6-pin connector for your video card. The specs for the power supply state that it only has (2) 6-pin connectors for dedicated video. They make adapters for the Molex connectors, but if you want things to look clean under the case you might want to get a power supply that has duel 8-pin connections. As far as wattage, that power supply should have plenty for your system.
 
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Solution
H

Houhie

Honorable
Sep 19, 2013
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10,510
Thanks for so many quick replies guys! Really helpful. :)

@Dave; Though I realize that my rig would only actually require about 450 Watts, I'd be very uncomfortable buying anything below 600W, because evga recommends a minimum of 600W for this card. I don't know if it would make much of a difference but I would rather spend the extra $20 and have some peace of mind. :p

@dfryda; I didn't even notice that the card takes both an 8-pin and a 6-pin connector, I was looking at the specs on newegg and it said either one 8-pin or two 6-pins. The evga site agrees with what you said though so I'm guessing there's a typo on the newegg page.

In conclusion I'm now looking at the HX650 that beanoslim recommended, but I would have liked a bit more breathing room.

Also, 6+2-pin connectors are interchangeable with 8-pin connectors right? If that were the case I could just buy the GS800 I was initially looking at and be done with it. Provided MicroCenter is giving me the wrong specs and it actually DOES come with two 6+2-pin connectors.
 
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Onus

Onus

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Jan 27, 2006
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The Seasonic-built 550W XFX has six and a six/eight pin PCIe power cables, according to the specs on davefowler's link; it would be sufficient, and that is an excellent price. If you have a preferences for higher efficiency, one of the Seasonic 80+ Gold PSUs (like the first one beanoslim linked) would be good too; be aware that there is a 550W version of that one too.
IMHO any Seasonic-built PSU will be more solid and last longer than any of the CWT-built Corsairs, but note that some of their higher-end models (I think the HX is one of them) are also built by Seasonic.
 
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