How much wattage do I need?

Sorry, I know I'm asking a lot of questions here lol.

My set up right now is:

- AMD A6-5400K Trinity 3.6GHz
http://www.newegg.com/Product/Product.aspx?Item=N82E16819113282

- MSI FM2-A75MA-E35 FM2 AMD A75 (Hudson D3) HDMI SATA 6Gb/s USB 3.0
http://www.newegg.com/Product/Product.aspx?Item=N82E16813130662

- Western Digital WD Blue WD5000AAKX 500GB 7200 RPM
http://www.newegg.com/Product/Product.aspx?Item=N82E16822136769&Tpk=WEstern%20Digital%20Blue%20Caviar

- ASUS 24X DVD Burner
http://www.newegg.com/Product/Product.aspx?Item=N82E16827135204

- TP-LINK TL-WDN4800 Wireless N Dual Band
http://www.newegg.com/Product/Product.aspx?Item=N82E16833704133&Tpk=tp-link%20wireless%20n

And my logitech unifying usb for my keyboard and mouse. I will also be using some external hard drives on it as well. Not sure if that's valuable information. I've used the wattage calculator on Newegg and this other site but it's telling me about 800w which is a lot and my system isn't even meant to be for gaming or home theater. I know some people who have gaming PC's who don't even use 800w so I thought that was a bit fishy.
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  1. You might want to look at this wireless adapter instead
    http://www.newegg.com/Product/Product.aspx?Item=N82E16833315091
    Yeah that is bs. I use a 7950 with a 700w no problem at all. You could probably go 400w, maybe even less.
  2. lt_dan_zsu said:
    You might want to look at this wireless adapter instead
    http://www.newegg.com/Product/Product.aspx?Item=N82E16833315091
    Yeah that is bs. I use a 7950 with a 700w no problem at all. You could probably go 400w, maybe even less.


    You have any suggestions on a good power supply? And thanks I'll check that adapter out.
  3. 800W? Where did you see that?

    Antec 380W green or Corsair 430W will do fine for you. With plenty to spare.

    Edit: Oops, forgot to mention. Just buy whichever is cheaper.
  4. Something like this
    http://www.newegg.com/Product/Product.aspx?Item=N82E16817371029
    andtec 400w
    But, you could probably go with a 300w
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