Hi Graham
I peviously had a 1gb ATI Radeon HD5770 GFX card and I was struggling at times.
I think the current crop of mods are more demanding.
You also might need a new psu.
Dell's are pretty low in the wattage department.
My XPS8100 had only a 350 watt's.
Spent £1,000 on it last year.
Only thing I have not upgraded is the motherboard.
Hopefully later this year.
Peter
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