will this card work on this psu?

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matanyabs

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Jan 27, 2015
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I'm lookin to buy a second hand Asus gtx670-dcmoc-2gd5 2gb mini small form factor for 152$. my psu is 550W. 15A on +12V1 and 15A on +12V2
fp74th.jpg

would the card work?
currently i'm running Gigabyte GTX280
 
Solution
JackNaylorPE



To be clear, I'm not suggesting it's OK....but there's no arguing that power wise you are are better off now than you were before.

I do NOT however ever recommend the use of adapters.

6 pin = 75 watts
8 pin = 150 watts

http://www.playtool.com/pages/psuconnectors/connectors.html#pciexpress8

The PCI Express 2.0 specification released in January 2007...
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JackNaylorPE

JackNaylorPE

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Size wise you are OK ... it uses less power than your old card

http://www.guru3d.com/articles_pages/asus_geforce_gtx_670_directcu_ii_top_review,8.html

Here is Guru3D's power supply recommendation:

GeForce GTX 670 - On your average system the card requires you to have a 550 Watt power supply unit.
GeForce GTX 670 SLI - On your average system the cards require you to have a 750 Watt power supply unit as minimum.

If you are going to overclock GPU or processor, then we do recommend you purchase something with some more stamina.
Click to expand...


GTX 280 - http://www.geforce.com/hardware/desktop-gpus/geforce-gtx-280/specifications

Minimum System Power Requirement (W) = 550 W
Click to expand...

GTX 670 - http://www.geforce.com/hardware/desktop-gpus/geforce-gtx-670/specifications

Minimum System Power Requirement (W) = 500 W
Click to expand...

While it's reasonable to think that if it worked with your older more power hungry card, it should work with your new card, that PSU wasn't strong to begin with and it's capacitors are aging over time and therefore output is decreasing.
 
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Deleted member 217926

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That '500w' power supply is at best supplying 300 watts on the 12v rail and that is assuming it can supply what it's rated at, something I doubt. Will it work? Maybe. Is it a good idea? No.
 
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matanyabs

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Jan 27, 2015
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I will go with jack reasoning because i'm low on budget, another question arose, the 670 uses 2 6-pin pci-e cables. i have 1. now the 280 use 1 6-pin and 1 8-pin. and the 8-pin is connected with an adaptor to a molex (2 molexes actually). now my reasoning is that the 8-pin draw more power (read it somewhere) so an adapter from 2 molexes to 6-pin pci-e should do the job, right?
 
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JackNaylorPE

JackNaylorPE

Titan
BANNED
Oct 30, 2004
32,255
14
99,960



To be clear, I'm not suggesting it's OK....but there's no arguing that power wise you are are better off now than you were before.

I do NOT however ever recommend the use of adapters.

6 pin = 75 watts
8 pin = 150 watts

http://www.playtool.com/pages/psuconnectors/connectors.html#pciexpress8

The PCI Express 2.0 specification released in January 2007 added an 8 pin PCI Express power cable. It's just an 8 pin version of the 6 Pin PCI Express power cable. Both are primarily used to provide supplemental power to video cards. The older 6 pin version officially provides a maximum of 75 watts (although unofficially it can usually provide much more) whereas the new 8 pin version provides a maximum of 150 watts. It is very easy to confuse the 8 pin version with the very similar-looking EPS 8 pin 12 volt cable.
Click to expand...
 
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