How to upgrade my Dell XPS 420?

Platoon_Michael

Distinguished
Nov 14, 2009
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18,510
Hello,
I would like to upgrade my graphics card for the Dell XPS 420 and have no idea what to get.
And just seem to become more confused everyday.

Specs are:
Vista Home Premium Service Pack 2
Processor:Intel Core2 Quad CPU Q6600 @ 2.40Ghz 2.39Ghz

Memory:4.00GB

System Type 32-bit

Graphics Card:
ATI Radeon HD 2400 PRO

And my Monitor is a Dell 2407WFP(Digital) LCD

I figure I have maybe at the most $300 to spend.
The game I like the most to play so far is Company of heros and I want to be able to play that at the highest settings.

Thank-You very much in advance for any time and help you can provide.

david
 

The machine comes with either a 375 watt (1x6 pin) or 425 watt (2x6 pin) psu, either of which can handle a 5770, it's power use is lower than the cards that were originally offered in the 420.