gpu and psu compatibility

ok, i have a 350w psu, not sure what make its just a standard one i got with a dell computer, and im gonna get a hd3870 xt graphics card. will my psu be powerful enough to run this card stabley? i only have one hdd, a pentium 4 3.4ghz processor and 2 gb of ram, all my pci slots are all empty.

thanks :)

oh damn sorry. it was mainly about the gpu and psu, not cpu. i know the processor will bottleneck it, but would a core 2 duo processor work on my motherboard? its not too new, but is the socket the same? and i dont have much plugged in my psu, so would it be ok? what would happen if there isnt enough power?

sorry i cant be more helpful, i dont know any of the models of my parts. i will try and find out.

thanks

i have just found out my mother board is either a Intel 925XE Express chipset, or a Intel 925X Express chipset. dell isnt more specific. but as far as i know, they are both LGA775, so dual core should run?

its mainly the gpu i need to replace, cos i can play games with my processor, but i have a radeon x300 :( and its poo. everything looks like a ps2 game at best :(

im just not sure what will happen if i dont have a powerful enough psu for the card i wanna get.

cheers

im gonna get a 3870, not a 4870, sorry i may have written the wrong thing, i dunno. but ye, 3870 :)

i think i will get this psu: http://www.overclockers.co.uk/showproduct.php?prodid=CA-018-OK

i dont know alot about computers, so would a 4850 with a slower clock speed beat a 3870 with a higher one?

E.G:

http://www.overclockers.co.uk/showproduct.php?prodid=GX-089-PC&groupid=701&catid=56&subcat=939&name=Powercolor%20ATI%20Radeon%20HD%204850%20512MB%20GDDR3%20TV-Out/Dual%20DVI/HDMI%20(PCI-Express)%20-%20Retail

http://www.overclockers.co.uk/showproduct.php?prodid=GX-079-PC&groupid=701&catid=56&subcat=416&name=PowerColor%20ATI%20Radeon%20HD%203870%20XT%20Extreme%20512MB%20GDDR4%20TV-Out/Dual%20DVI/HDMI%20(PCI-Express)%20-%20Retail

ah ok then. thanks. thats really helpful. i shall get a hd4850, and a 550w psu. save up for a processor after :):)stu464

ok cheers. i kinda need to get a cheap one tho. i was thinking i would get this:

http://www.overclockers.co.uk/showproduct.php?prodid=CA-018-OK

anyone know if its any good? or know of one thats a similar price that is reliable and i wont need to replace for a few years?

thanks

um ok cheers. i have enough money for a corsair now. but not that one ^^

are PSU's easy to install? only thing i have ever installed is ram lol.

ok then. i have bought a ati hd 4850, and a corsair 650w psu :) so i am looking forward to playing some decent games in a few days :):)

now i just need a cheap effective processor. any suggestions?

ah ok then, thanks. i probably wont get it that soon anyway. thanks.