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Helping me pick a new PSU for my 5770 vapor-x

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  • Power Supplies
  • DVD Drives
  • Components
  • Product
Last response: in Components
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April 10, 2011 7:19:47 PM

I recently bought some new hardware for my PC only to find out that my current PSU http://www.newegg.com/Product/Product.aspx?Item=N82E168... was unable to handle them. This is the new video card and dvd drive that i purchased.

http://www.newegg.com/Product/Product.aspx?Item=N82E168...
http://www.newegg.com/Product/Product.aspx?Item=N82E168...

When i installed the dvd drive my computer would hard restart every so often and cause my bios to reset my overclock settings that were stable without the drive. I am no expert but i assume this is signs that my current PSU is either dying or can't handle the power. I uninstalled the dvd drive before testing the 5770.

After uninstalling my old 4670 and installing the 5770 vapor-x that also caused my computer to hard restart and reset my bios settings. I can't get the 5770 to boot. The lights and fans work but i get a black screen (yes the 6 pin was connected and the card is properly seated). Sometimes i can see the bios load but once i get to the windows 7 splash screen it just hangs. When i install the old 4670 again everything works just fine. I have done a bunch of research and possible issues are older mb's having compatibility issues with pci-e 2.1 video cards or the PSU is not good enough.

I have started the RMA process on the 5770 just in case that is faulty but i would first like to upgrade my PSU to see if that helps. I would basically just like to know if the following PSU and MB are compatible with each other, and if the PSU will power the 5770 vapor-x. This PSU is within my price range.

http://www.newegg.com/Product/Product.aspx?Item=N82E168...
http://www.newegg.com/Product/Product.aspx?Item=N82E168...

Sorry for all the links, i just want to make sure i do this right. Possibly someone out there has the same mb and video card as i do. I would really appreciate any insight, thanks.

More about : helping pick psu 5770 vapor

April 10, 2011 7:55:25 PM

ur old PSU seems to be the prob coz i don think it can run a 5770 .
if ur freind has a decent pC try running your card there.the gigabyte G31 mobo is a small board i wud spend a bit more for a g41 mobo anyway ur choice i had this mobo earlier worked gr8 with 9400gt.Dont expect too much OCing out of it. the PSU u linked to is of brand i havnt herd much of so i wont comment on it but i wud recommend something like corsair VX450 minimum for 5770 .i m running GTX460 with it and its an awesome PSU u can read review abt it.
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Best solution

a b ) Power supply
April 10, 2011 8:12:27 PM

Decent 450W will do you fine.

I'm running a stock Sapphire 5770 on the old Corsair CX400 and I have zero problems, but it was a great PSU that could handle a good chunk more than it was rated at.
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April 10, 2011 8:30:26 PM

Yes it will support ATX12V V2.2 / V2.3.
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a c 148 ) Power supply
April 10, 2011 8:31:31 PM

drthunder said:
Thanks for the replies. Will my motherboard support ATX12V V2.2 / V2.3? I am not really sure how that stuff works.

This corsair is on sale for $50, i am not sure if it includes a 4 pin cpu connector though.
http://www.newegg.com/Product/Product.aspx?Item=N82E168...


From your link, it has an 8 pin not a 4:

Connectors
1 x Main connector (24Pin)
1 x 8 Pin CPU
4 x Peripheral
5 x SATA
1 x Floppy
2 x PCI-E


This XFX 650 watter ($55) one has:

http://www.newegg.com/Product/Product.aspx?Item=N82E168...

Connectors
1 x Main connector (20+4Pin)
1 x 8-Pin EPS 12V
1 x 4+4-Pin ATX/EPS 12V
6 x Peripheral
6 x SATA
2 x Floppy
3 x 6+2 Pin PCI-E
1 x 6 Pin PCI-E
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April 10, 2011 8:40:54 PM

JackNaylorPE said:
From your link, it has an 8 pin not a 4:

Connectors
1 x Main connector (24Pin)
1 x 8 Pin CPU
4 x Peripheral
5 x SATA
1 x Floppy
2 x PCI-E


This XFX 650 watter ($55) one has:

http://www.newegg.com/Product/Product.aspx?Item=N82E168...

Connectors
1 x Main connector (20+4Pin)
1 x 8-Pin EPS 12V
1 x 4+4-Pin ATX/EPS 12V
6 x Peripheral
6 x SATA
2 x Floppy
3 x 6+2 Pin PCI-E
1 x 6 Pin PCI-E

Saw this on corsairs website.
# Where’s the 4-pin EPS/ATX 12v connector that I need for my motherboard?

Our power supplies ship with an 8-pin connector that splits in half. Use half of this connector for the 4-pin EPS/ATX 12v connector on your motherboard.
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April 10, 2011 8:57:22 PM

drthunder said:
Ok so the cx500 does not support 4 pin cpu connectors? This is getting kind of confusing, i might just go with a raidmax hybrid 730w.


The cx500 does support 4 pin.

Look under the faqs and support tab
http://www.corsair.com/builder-series-cx500.html

"Where’s the 4-pin EPS/ATX 12v connector that I need for my motherboard?

Our power supplies ship with an 8-pin connector that splits in half. Use half of this connector for the 4-pin EPS/ATX 12v connector on your motherboard."

Do youself a favor and DO NOT buy Raidmax. The most important thing in your PC is the PSU because if it blows up it will take out all your other components with it. Buy a quality PSU from companies such as Seasonic, Antec, XFX, PC power & Cooling.

If you need more info on PSUs visit www.jonnyguru.com or www.hardwaresecrets.com they are trusted sites that test and review PSUs
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April 10, 2011 9:02:43 PM

I will go with the corsair cx500 (edited my post after i saw about the 4+4 connector). Thanks to everyone for the replies :) ! Lets hope i can get this 5770 working.
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April 10, 2011 9:03:49 PM

Best answer selected by drthunder.
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