What wattage do i need?

[aflumbahgee]

hello my new build is going to have a i3 3220, 2gb 7850, 1tb 5400rpm hdd, 8gb ram. what wattage would be sufficient? i was thinking about the antec vp450, would that be ok? or is there any better psus.

thanks
Max

 

[aflumbahgee]

also i am in the uk btw

 

[g-unit1111]

For a 7850 you're looking at about 500W minimum, 650W if you plan to Crossfire. But make sure you get a quality power supply like this: http://www.scan.co.uk/products/550w-xfx-pro-series-core-edition-p1-550s-ukb9-85-eff-80-plus-bronze-sli-crossfire-eps-12v-fan-atx-v2

Or this: http://www.scan.co.uk/products/520w-seasonic-bronze-s12ii-520-85-eff-80-plus-bronze-eps-12v-quiet-fan-atx-v23-psu

 

[iceclock]

+1 to g-units recommandation those are fine choices.

 

[aflumbahgee]

those look good thanks, do u know of any good 650w psu's if i crossfire in the future?

 

[g-unit1111]

those look good thanks, do u know of any good 650w psu's if i crossfire in the future?

Probably something like this: http://www.scan.co.uk/products/650w-corsair-enthusiast-series-650txv2uk-85-eff-80-plus-bronze-sli-crossfire-eps-12v-quiet-fan-atx-v

Or this: http://www.scan.co.uk/products/650w-xfx-pro-series-core-edition-p1-650s-ukb9-85-eff-80-plus-bronze-sli-crossfire-eps-12v-fan-atx-v2

 

[iceclock]

yar 650 quality watts should be fine