upgrade a 5670 1 gb ddr5 or not.what do u think??

[macmouca2010]

in my pc dell vostro 460 core i5 .4 gb of ram.gt 430 msi nvidia.
i want to check if i can run ati 5670 on this power supply .dell oem psu 350 watt

http://img11.hostingpics.net/pics/128572WP000464002.jpg
http://img11.hostingpics.net/pics/3844122w68cvn.jpg

and one more . before i buy a 5670 axle with 6 pin connector and its freezez in all games until the card died

my power 350 watt dell dimension is 86*150*140
whats is the best power i buy

silencer and not exeed 600 watt
me i want corsair cx 600 v2
.whats ur opinion and thnks to all

 

[macmouca2010]

hey guys .thnks alll for ur help .finally i got people help me to solve my problem

what do u think about corsair cx 600 watt v2 or corsair cx 500

i need silence .i just need silence not other thing