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PSU recomendation

Tags:
  • Homebuilt
  • VGA
  • Sapphire
  • Systems
  • Product
Last response: in Systems
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February 2, 2013 3:40:47 PM

hi ...
i just got a new VGA ( Sapphire Radeon HD 7870 2GB ) and i want to over clock it but it seems that i am running low on power ( crashing / blue screen ) ... i have a Queen qu580gl ( it says real 580w but i doubt it ) .. so i need to get a new PSU and i was wondering how much W do i need ? 650 or 685 or 750
here is my system specs :
CPU : AMD X4 980BE OC to ~4GH
MB : ASUS M5A97PRO
VGA : Sapphire Radeon HD 7870 2GB
RAM : 2x2GB 1333 + 2x2GB 1600
2xHDD@5400RPM
mouse+keyboard+xbox360 gamepad : USB
headphones
2XDVD-writer

and what should i get if i want to add a new vga to crossFire ? 750 or 800 or 850 ?

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February 2, 2013 6:07:02 PM

tanks 4 the reply's ... unfortunately my choice is limited to only 1 brand in the local stores
the calculator on the site suggested 2 options for me with and without crossfire :
585W
750W

and if i can afford it i am thinking of getting this case too . my case is old and small :??: 
a b B Homebuilt system
February 2, 2013 8:33:47 PM

Exlord said:

750W

Love a site that provides plenty of information
This is built on the CWT DSG-V platform, think Corsair HX
Probably not as high quality as the Corsair but would be my choice out of the 2 selections you provided
!