Need help buying a PSU...

I'm planning on buying a new graphics card and I'm thinking of it being an XFX ATI Radeon HD4850. I hear you need a 450W PSU for that as a minimum.

Could any of you recommend me a PSU costing roughly £30-40 to buy for the card? Thanks.
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  1. A 4850 needs about 9 amps.

    A Corsair 400CX (30 amp 12 volt rail) would work:
    http://www.newegg.com/Product/Product.aspx?Item=N82E16817139008

    I don't think that the Corsair 450VX (33 amp 12 volt rail)
    http://www.newegg.com/Product/Product.aspx?Item=N82E16817139003
    is that much better to be worth it.

    And the Antec 500 watt Basiq is a surprisingly good PSU:
    http://www.newegg.com/Product/Product.aspx?Item=N82E16817371004
  2. A 400W would work?

    Surprising...I wonder if my spare one in my old computer would...I'm not sure though.

    Is this the same throughout all HD4850's? I mean, will they work with all HD4850S? Because I might be buying a sapphire one instead since I found it hard to find an XFX...
  3. Just so you know, could you use this site to find a PSU for me:

    http://www.maplin.co.uk/Search.aspx?menuno=85954

    It's where I'm buying from. Just one that'd work with a Sapphire HD4850. Same budget applies. :D

    Thanks.
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