Build a PC Power Supply Vs Graphics Card

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misor

TS Evangelist
[SIZE=5]Product Description[/SIZE]
Technology:GDDR5 SDRAM, Size:3 GB, Bus Width:384-bit, Effective Clock Speed:6.4 GHz, Width:4.2 cm, Depth:31.1 cm, Package Type:Retail, Height:15 cm, Cables Included:1 x DVI-VGA adapter, Peripheral / Interface Devices:Two 8-pin power connectors, Required Power Supply:750 W
your link clearly states that a 750w PSU is required.

you can use any of these online power supply calculators:
newegg(store) calculator(power supply requirement)
outervision calculator
 

St1ckM4n

TS Evangelist
You can get away with less than the 'required' PSU level, but I'd say you need a QUALITY 550W PSU at the least. I can't recommend you running it on your current 500W. 750W is plenty, but 850W may be worthwhile if you're upgrading and maybe getting 2x graphics cards in the future.

How will your onboard video handle it?
  • The specifics depend on which onboard adaptor it exactly is.
  • You need to check BIOS and confirm that 'prefer PCIe graphics' is checked.
  • You can usually leave both running, or just disable onboard in Device Manager. Sometimes motherboards can take advantage of both onboard AND dedicated, for performance boost. See: Lucid Logic MVP
 
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hellokitty[hk]

Hello, nice to meet you!
Well, what power supply do you have?
Rosewill Capstone 450 will fine, along with some other high quality 400w-500w power supplies.