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Upgrading to radeon hd6850

Last response: in Graphics & Displays
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June 25, 2011 7:06:47 PM

Hi,

I'm kind of a beginner at customizing a computer. but I feel that my current radeon hd5450 that came with it is just to weak.
as said I want to upgrade to a radeon hd6850. but I'm not sure if it will fit in my case. my pc-model is a HP Pavilion P6340nl


link to the card (its in dutch):
http://www.alternate.nl/html/product/Grafische_kaarten_...

pics: inside and backside of my case.
http://i301.photobucket.com/albums/nn47/tomvrinzen/2506...
http://i301.photobucket.com/albums/nn47/tomvrinzen/2506...

I hope this is all the information you might need, kind regards Tom
a b U Graphics card
June 25, 2011 7:10:36 PM

An HP 300w-rated power supply unit won't support the HD6850 anyway at much load, what do you plan to do with your computer and what's the budget for the upgrade? Screen resolution is an important factor too in choosing a new video card.
June 25, 2011 7:17:51 PM

im using a screen with a 1920x1080 resolution at the moment at which I play my games. And gaming is my main purpose for this computer. and since the card itself is about €130,- I was planning on maxing my upgrade on max €200,- total.
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a c 502 U Graphics card
June 25, 2011 8:17:50 PM

Your OEM 300 Watt power supply is about 3 Amps short on its +12 Volt rail's current rating from meeting the minimum power supply requirement for a system with a single Radeon HD 6850 graphics card.
June 25, 2011 8:34:50 PM

you need a minimum 550watt psu.
June 25, 2011 8:44:37 PM

So in short;

If I want to upgrade to a Radeon HD6850 I need to upgrade my power supply from 300 Watts to 550 Watts?
a b U Graphics card
June 25, 2011 8:45:08 PM

you are right that a 5450 is nearly useless for gaming. unfortunately your power supply limits your upgrade to maybe a 6670, which while far superior to your 5450, will still seriously limit the potential of your machine. you will unfortunately also need to replace your power supply to get a powerful gaming rig.
June 25, 2011 9:11:32 PM

ok, thank everyone for their kind help.
!