Can hx620w run radeon hd 4870 x2

I Currently have HX620W power supply if i buy Radeon HD 4870 X2 will it be able to power it up? Or should i be looking to buy a new power supply.
Currently what i have running in my computer 4 fans 2 hard drives 1 (10,000 RPM) and one is 7200 RPM's and i am running 8800 GT but i want to buy Radeon HD 4870X2
can my power supply handle it ?
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  1. What CPU are you using? Overclocked at all?

    The Sapphire website calls for a 650W PSU for a single 4870X2. Im sure that covers most "average" PSUs. Since the Corsair HX620 is an above average quality PSU.
    I'd say it was safe to use the HX620.
  2. HX620 will be fine as long as you havent serverly overclocked your cpu and run 26hdds
  3. Well i am thinking of getting Q9550 (quad core) processor and evga 780i SLI FTW ATX Intel Motherboard with Thermaltake Armor Series Full Tower which will have around 4 fans in the box and i think of putting 2 hard drives in the box like i said before so i dont know if my PSU will be able to handle that.. by the way i also pruchased corsair dominato 4gb (2 x 2gb) SDRAM DDR2 1066 RAM. So any helpfull answers would be appriciated.
  4. I really think the 650 would be OK, but AMD does not certify that psu for the 4870X2:
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