HP DC5800 - Nvidia 9600GT fitted. Do I need to upgrade the PSU and why?

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Adrian Andreev

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Mar 10, 2015
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Hi Guys,

I recently both second hand PC HP DC5800 with the idea to use it as a media server for my LG TV, and to use it for some general stuff like browsing, MS office etc... When I saw the windows rating for the video, I decided to fit the spare Nvidia 9600GT that I have. The PC works well now and have a very good score. I've also tried several games on high details and they are fine. My concerns are that the PSU is the original HP 300w and I was wondering how bad would it be if I stay with it with the current setup. Here is some more info about the machine:

sn1ngp.jpg


Can you please advise what could be the impact on the system if I stay with the stock PSU and should I invest another 30-40 euro for some better PSU?

Cheers,
Ado
 
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Phillip Corcoran

Phillip Corcoran

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Sep 7, 2013
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HP's factory-fitted PSUs have a reputation for being quality units and if it wasn't able to drive your 9600GT you would know the moment you fired it up. Having said that, however, 300w is fairly 'borderline' for a system with a 9600GT installed, so it's fair to assume there will be times when the PSU is running at or very near it's max output (eg gameplay) and that doesn't bode well for it's longevity.

It's up to you but I would seriously consider getting a quality 400w PSU with at least 25A on the 12v rail, then it'll have plenty of overhead instead of running at it's max. under certain conditions.

Quality brands are Seasonic, Corsair & Antec.

It's worth remembering that if an overworked PSU fails it can blow the graphics card too.
 
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Adrian Andreev

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Mar 10, 2015
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Hi again. I decided to do a test on what is the MAX wattage consumption of the machine so I can decide if a PSU upgrade is actually needed. I bought a simple Watt Meter Socket and I've plugged in the PC. Then I did some Full load testing with Windows experience rating + several Games on full graphics details + Full HD res and I was amazed. The maximum power consumption that was presented on the display was 164 wats :O ...

Here is a pic of the result:
54zmlk.jpg


Is this a reliable test? Does it mean that I should be safe with the 300wat HP power supply?

Thanks in advance.
 
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