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Old 11-19-2011, 09:05 PM   #1
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Default Do i need a new PSU?

Hey guys Im buying a new graphic card and im wondering if i need a new psu to support it .
My current PSU is a Antec BP550 Plus, 550W.
What im planning on buying is a Ati Radeon 5850 OEM 1GB GDDR5. and i currently have an xfx radeon 4850 1gb ddr3

cpu: AMD Phenom II x4 840
ram:4GB OCZ DDR2 1066 mhz (2x4)
Cpu Cooler: stock
Case: antec 300 ( 3. 120mm fans, 1. 140mm, 1. 80mm fan)
HDD: 2 255GB 7400rpm HDD's Raid 0

Please help

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Old 11-20-2011, 01:56 PM   #2
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Default Re: Do i need a new PSU?

The Antec 550 should be fine. AMD's site suggests 600 watts or more for CrossFire, and 500 for single card operation.
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