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Installing a new HD 5670 on my computer?

Last response: in Graphics & Displays
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November 15, 2011 11:31:52 AM

Hello, my current computer now is the P6655D, and the link to its information is right here. http://www.villman.com/Product-Detail/HP_Pavilion_p6655... anyway, the computer comes with the standard motherboard "Iona-GL8E". it also has an HD 5450 1gb card, and it comes with a 250 power supply. I wanna upgrade my Power Supply and my Video card but my mobo only has ONE x16 graphics slot lane. i was wondering if the HD 5670 is compatible? and if i can put a new power supply into the computer aswell? i dont wanna risk getting a blank screen when i turn on my computer with a new 5670. So any help is appreciated
November 19, 2011 11:48:48 PM

driftkingz109 said:
Hello, my current computer now is the P6655D, and the link to its information is right here. http://www.villman.com/Product-Detail/HP_Pavilion_p6655... anyway, the computer comes with the standard motherboard "Iona-GL8E". it also has an HD 5450 1gb card, and it comes with a 250 power supply. I wanna upgrade my Power Supply and my Video card but my mobo only has ONE x16 graphics slot lane. i was wondering if the HD 5670 is compatible? and if i can put a new power supply into the computer aswell? i dont wanna risk getting a blank screen when i turn on my computer with a new 5670. So any help is appreciated

I had a 220W Power Supply and it ran a Radeon 5570 perfectly. For the Radeon 5670, considering you have 30W extra, you shouldn't have a problem. If you do then get a new power supply. If you don't want a power supply then consider getting the Radeon 5570.
a b U Graphics card
a b ) Power supply
November 20, 2011 12:46:03 AM

check out your specs on label on PSU
look for amps on 12v+ line
I run my HD 5670 on a Dell 280w PSU with a 16amp 12v+
total wattage does not indicate how well a PSU can handle a card
also have to consider wattage of CPU,how many hard drives,optical drives
PCI cards etc
the HD 5670 is a low powered card that draws 64w on max load
this is a decent PSU calculator
http://extreme.outervision.com/psucalculatorlite.jsp
it will show minimum and recomended wattages
it overestimates a little also
so take that into account
a b U Graphics card
a b ) Power supply
November 20, 2011 12:55:37 AM

I did the PSU calculator and
minimum is 211w
recommended is 261w

that is calculating with
1 stick of ram (as spec'd by your link)
1 HD
2 80mm fans
1 dvdrw
1 media card reader
I3-550
10 percent PSU capacitor aging

so you should be fine
but remember that PSUs are not always rated right by manafacturers
they play with the numbers
also it is pushing your PSU to its limits
so be aware of that
with any GPU upgrade there are risks

!