[New System Build] New Cheap Gaming Computer

I am building a new pc with money from selling my old Wii and Xbox games.
I already have these parts from my old computer:

585w Power- http://www.newegg.com/Product/Product.aspx?Item=N82E16817339012
Sapphire 3850- http://www.newegg.com/Product/Product.aspx?Item=N82E16814102794

And here is what I am buying and trying and stay under $300:

If I buy a case here is what I will get:
Case- http://www.newegg.com/Product/Product.aspx?Item=N82E16811156223
MOBO- http://www.newegg.com/Product/Product.aspx?Item=N82E16813138130
CPU- http://www.newegg.com/Product/Product.aspx?Item=N82E16819103649
RAM- http://www.newegg.com/Product/Product.aspx?Item=N82E16820227199

If I do not buy a new case I have to go Micro ATX and get just these:
MOBO- http://www.newegg.com/Product/Product.aspx?Item=N82E16813157162
CPU- http://www.newegg.com/Product/Product.aspx?Item=N82E16819103649
RAM- http://www.newegg.com/Product/Product.aspx?Item=N82E16820227199

How will this work?
I will be doing some gaming that I dont want any lag in, problably not too much Crysis :), and lots of video editing and web surfing.
Should I step down to an older Phenom X4 to save money?
Will the Phenom II X3 unlock X4 thingy work with this board (790GX North Bridge)
Could I do some type of Crossfire with the 3300 onboard and the 3850 I have?

Thanks for all the help and I hope this is not too confusing. :bounce:
5 answers Last reply
More about system build cheap gaming computer
  1. You need to change the gpu and power supply, try this
    http://www.newegg.com/Product/Product.aspx?Item=N82E16814127417 and this
    http://www.newegg.com/Product/Product.aspx?Item=N82E16817812002, the video card is only 128 bit,but a better performer for the same price, and the power supply cost more, but its a quality brand, DO NOT GET A CHEAP POWER SUPPLY!
  2. The HEC (Orion) power supplies have a pretty poor reputation, normally i'd say switch it out, but since you're going for a tight budget system, i'd keep it. Just be cautious of any problems you might have (BSODs, black screens or soft lock ups) they could be power related.

    Look at the 2 combo deals available with the 720.
    An Asus AM3 (uses DDR3) 790GX motherboard $195 combo deal
    A Biostar AM+ (uses DDR2) 790GX $194

    RAM for the Asus AM3 $65

    RAM for the Biostar AM2+ $55 (free shipping)

    1. All your parts are compatible.
    2. Don't step down to an older Phenom, if you have to, drop to the PhenomII x2 550
    3. Biostar should still have a BIOS version that MAY be capable of unlocking the 4th core of the 720, but don't bet on it.
    4. You will not be able to use the HD3850 for hybrid crossfire.
    5. The HD3850 is an aging and lower middle graphic card, don't expect too much out of it.

    Hope this helps.
  3. Word!
  4. bump, I have to keep the GPU and PSU for now because they are both working fine for me. (My psu had many good reviews.)
  5. bumpe
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