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Can my 475w 80+ PSU power a Gigabyte GTX 760?

Last response: in Graphics & Displays
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August 7, 2013 10:00:42 PM

Wondering if my system can run it, or if I need a new PSU. Thanks !
August 7, 2013 10:02:51 PM

A make and model would be handy, but since it has an 80+ rating its probably a good one. 475w from a good PSU is enough, if anyone says otherwise they are a moron.
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August 7, 2013 10:08:03 PM

cookybiscuit said:
A make and model would be handy, but since it has an 80+ rating its probably a good one. 475w from a good PSU is enough, if anyone says otherwise they are a moron.


Thanks for the fast response. Heres the make and model. Delta Electronics DPS-475CB-1A
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August 7, 2013 10:11:23 PM

Is this a hp workstation?
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August 7, 2013 10:13:33 PM

SR-71 Blackbird said:
Is this a hp workstation?


It sure is, Z400.
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August 7, 2013 10:14:01 PM

You will also need to 6 pins coming from the PSU.

I would recommend at least a decent 550w unit.
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August 7, 2013 10:17:05 PM

You need 2 - 6 pin PCIE connections. for the GTX 760.

It's a proprietary PSU unit - hp specific , standard PSU's don't run in that Z400.
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August 7, 2013 10:26:41 PM

SR-71 Blackbird said:
You need 2 - 6 pin PCIE connections. for the GTX 760.

It's a proprietary PSU unit - hp specific , standard PSU's don't run in that Z400.


For the Gigabyte model, it requires a 6 pin and an 8 pin. I have one 6 pin, so could I just use the converter included to convert 2 molex to an 8 pin? Also, are you saying I cant buy another PSU?
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Best solution

August 7, 2013 10:34:29 PM

Yes , the boards and PSU are specifically made for the hp workstation.

Standard ATX power supplies don't work in the Z400.

You can try the converter it should work , the PSU's are decent quality.
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August 7, 2013 10:37:35 PM

SR-71 Blackbird said:
Yes , the boards and PSU are specifically made for the hp workstation.

Standard ATX power supplies don't work in the Z400.

You can try the converter it should work , the PSU's are decent quality.


Great, ill let you know next week how I go when I receive the 760. If it doesn't work, I will be left with a useless 760 then, wont I?
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August 7, 2013 10:38:17 PM

SR-71 is right on this one. You won't have the proper connectors. You can try the adapters though. Granted you have enough molex to spare. A new case and PSU would do wonders when you get the chance though. For maybe $100 total for both.

Nvidia recommends a 500W PSU. That's before any overclocking of any sort. On stock voltage, the card alone draws 170W. http://www.geforce.com/hardware/desktop-gpus/geforce-gt...

I would shop around for a nice PSU in the 500-550W range. They float around the same price range, so just pick up the nicest one you can for the best price. I prefer PSU's manufactured by Seasonic, but there are others out there that are nice.

Once you narrow your search to 500-600W, you are looking for two 6(+2) connectors on the PSU. A Corsair CX 500M can be had for around $40, but I would recommend an XFX 550W for $60. Reason being, XFX PSU's are manufactured by Seasonic, and Seasonic makes most of the better PSU's out there. Good luck. I'm sure you will be happy with that card.

Corsair CX-500M - http://www.newegg.com/Product/Product.aspx?Item=N82E168...

XFX PRO 550 - http://www.newegg.com/Product/Product.aspx?Item=N82E168...

List of PSU manufactures - http://whirlpool.net.au/wiki/psu_manufacturers
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August 7, 2013 10:41:00 PM

There is a 600w delta model made for the hp Z400 , but can be hard to find and is expensive.

I'm hoping the current PSU works for you.

Keep me posted.
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August 7, 2013 10:44:06 PM

Don't pay attention to the POST above by Destrokk , standard ATX PSU's aren't compatible with these lines of work stations.
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August 7, 2013 10:46:08 PM

Don't pay attention to the POST above by Destrokk , standard ATX PSU's aren't compatible with these lines of work stations.

They are not standard ATX.
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August 7, 2013 11:13:23 PM

SR-71 Blackbird said:
Don't pay attention to the POST above by Destrokk , standard ATX PSU's aren't compatible with these lines of work stations.

They are not standard ATX.


Yeah I see that now, thanks.
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August 8, 2013 5:25:11 AM

*talking out my arse*
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August 8, 2013 5:05:06 PM

Destrokk said:
Except for the fact that I suggested buying a NEW CASE. I guess that slipped by though? It's literally 4 sentences into my post. Did you even read it SR?

So a new case equals a new power supply?
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August 8, 2013 5:24:08 PM

More talking out my arse.

All of that out of the way... The pin out is different for your HP as SR said. So you would have to replace your motherboard as well.
Sorry for being an idiot and for the confusion.

As for the 475W, if you have any problems, you can always under-volt it. Be careful with the molex adapters as well. They have a tendency to catch things on fire if not connected right.

I was speaking thinking that the Z400 was like the other HPs, but apparently, a select few like the Z400 use a different PSU. SR-71 knows his stuff better than I do.
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April 27, 2014 7:11:33 PM

Im havin a similar problem with a gtx 560ti. Im hesitant o try the molex adapter because another forum member locked their board doing this. Why does hp not make their psus compatible!!! Arghhh
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