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hp compaq dc5800 sff power supply upgrade


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#1 richardrain2020

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Posted 18 December 2017 - 12:47 AM

hi i have a hp compaq dc580 small form factor pc  im running a 240 wat psu and i have a q6600 quad core i just upgraded and put a zotec nvidia gt710 in it the recomaded watt for the video card is 300 is that ok or whats my upgrade options 



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#2 synergy513

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Posted 18 December 2017 - 04:06 AM

Hello, and Welcome to BleepingComputer!!!

 

 

The HP OEM power supply will suffice. The PSU recommendations for a low watt TDP card like the gt 710 are not really pertinent. What really is the deciding factor is the +12 volt amps.  A 240 watt power supply would probably be sporting around 18 +12 volt  amps in ideal conditions (new). If  you were going to slide in a sapphire 7750 or similar then you would need to entertain a PSU factor in the equation. That series of HP SFF uses a proprietary PSU form factor, so aftermarket power supplies are not feasible. In reality, the PCIe slot is functional  itself up to around 75 watts TDP before  a video card would be needing a secondary power plug from the PSU, which itself is a 6 pin 75 watt connection. Usually PC power supplies won't offer this 6 pin connector until rated over 350 watts.

 

This link reveals a 25 watt TDP for the gt 710, which is around 2 amps.

 

https://www.newegg.com/Product/Product.aspx?Item=N82E16814500393

 

until you start seeing TDP numbers over 35 or 40 watts  then there isn't enough TDP requirements to not trust your 240 watt HP OEM PSU.


Edited by synergy513, 18 December 2017 - 04:32 AM.

Moore's Law : 4d Graph in Progress


#3 richardrain2020

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Posted 18 December 2017 - 04:39 AM

I have the zotak gt710 1gb not the 2gb but that should be better for the psu I'm pretty sure it's 12volt amps the psu

#4 richardrain2020

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Posted 18 December 2017 - 04:41 AM

What else would be good to upgrade on it

#5 synergy513

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Posted 18 December 2017 - 05:12 AM

the sff isn't really good for adding upgrades. I am somewhat astounded to see them offering the video card slot in such a cramped interior space.

 

 The dc 5800 sff should have 4 ram slots if you wanted to add memory capacity. i usually like to have 6 GB for 64 bit OS and 3 GB for 32 bit OS. I just upgraded the CPU in one of those dc 5800s not too long ago, i installed a q9300, which isn't much better than the q6600 you have installed in your unit now. I also installed a visiontek r7 250 for the mulitple display and modest 3D functionality. I prefer the AMD offerings for SFF and multiple displays.

 

https://www.amazon.com/VisionTek-Radeon-GDDR5-DVI-D-Graphics/dp/B00JXQ0K70

 

The stock HP PSU performed wonderfully in unigine valley  for two hours. That is a full system TDP benchmark application i.e The cpu and video card were both maxed and taxed and at full power.


Edited by synergy513, 18 December 2017 - 05:51 AM.

Moore's Law : 4d Graph in Progress


#6 richardrain2020

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Posted 18 December 2017 - 11:32 AM

whats the watts of that video card i used nova bench benchmark tool and i got 654 ratting on it is that good 



#7 synergy513

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Posted 18 December 2017 - 09:05 PM

the r7 250 1gb gddr5 is rated at 65 watts.

 

I googled novabench scores, 654 isn't bad at all

 

https://novabench.com/parts/gpu


Moore's Law : 4d Graph in Progress





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