Would VS450 be too weak for a quad and hd5850?

[ExoMale]

i know the Corsair VS range are weak and have only had a 350w model, but someone is selling a 450 model for £20 and was wondering if it would power a q9300 and hd5850 well enough in stock settings?

Still got my quad and thinking whether to upgrade it back to a gaming style using my hd5850 which I am soon to be raplacing.

 

[ExoMale]

yeah i know, but when i had the 350 vs or a cx 430 or even a straight up no 80 anything 400w corsair they were not powering high systems, in fact that vs350 i had i sold it in a running machine with a stock q6600 and a 8600GT all running stock and was fine, but this 5850 has a max power of 158w, so id be looking at 253w just for cpu + gpu as the q9300 is a 95w processor that would leave 155w for the rest if 408w for the psu is correct, i am guessing that wont be enough then?


push come to shove i will sell my radeon for something better even if its still old, but ive seen a 7770ghz edition for £20 also which is what im tempted by making this whole idea in the first place, to keep the 775 i would need something better than a stock 250w and a dedicated gpu to be useful to me, but to sell i feel i would need a stronger psu still even for a light less than 50w graphics card, ive just never had such a powerful card before.