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Video card upgrade for dell xps 8300

I want to buy a new video card like R9 270X or 280X, but i dont know if these cards are compatible with my motherboard or what adicional hardware I must buy, help pls!

thanks

Specs:
CPU: i7-2600
RAM: 6GB
MOTHERBOARD: dell xps 8300 motherboard (dont know the name :s)
power supply: 460w
8 answers Last reply Best Answer
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  1. Best answer
    the problem is not whether these cards will fit in the mobo but the power supply . For R9 280X you ll need 2 x 8 pins pwer connectors and extra 300W .With this psu no .R9 270X needs 2 x 6 pin power connectors and 225W .R9 270 needs only one 6 pin connector ,more likely to have it , and 175W .it is only 5% slower than R9 270X.
  2. but GDDR5 works in any mobo? i got enought ram to get full performance of the video card? or everything else that i must know before buy
    PD: my actually video card its radeon hd 6450
  3. Andres Fernandez said:
    but GDDR5 works in any mobo? i got enought ram to get full performance of the video card? or everything else that i must know before buy
    PD: my actually video card its radeon hd 6450


    99% R9 270 will work , check if the psu has one 6 pin connector

    for R9 270 , check whether your psu has two 6 pin power connectors , it it has , 99% probability
    to be 100% sure , see how much Amp has the psu on +12V rail .
  4. 1) yes, there is a free 6 pin connector
    2) +12V A -- 18A
    +12VC -- 8A
    +12VB -- 16A
  5. Andres Fernandez said:
    1) yes, there is a free 6 pin connector
    2) +12V A -- 18A
    +12VC -- 8A
    +12VB -- 16A


    16 A x +12V = 216 W < 175 W , so R9 270 will work
  6. thanks, so if i want a 270x or 280x card i must change mi psu... do you think http://www.amazon.com/Corsair-Builder-Series-Watt-CX600/dp/B0092ML0OC/ref=pd_cp_pc_2 its a good option?
  7. Andres Fernandez said:
    thanks, so if i want a 270x or 280x card i must change mi psu... do you think http://www.amazon.com/Corsair-Builder-Series-Watt-CX600/dp/B0092ML0OC/ref=pd_cp_pc_2 its a good option?


    it has 2 x 6 +2 pin connectors and enough 46A on +12V rail , so it can power R9 280X
    the spcs file here
    http://www.corsair.com/en/media/cms/manual/corsair-psu-spec-table-091813.pdf
    R9 270x is only 5% faster than R9 270 , just a bit overclocked version . it is not worth the extra money .
  8. Thanks :)
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