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Will 650w PSU be sufficient for this build?

Will this PSU be enough to support this build including future crossfire of 5770 GPU?

PSU:
Antec EarthWatts EA650 650W Continuous Power ATX12V Ver.2.2 / EPS12V version 2.91 SLI Certified CrossFire Ready 80 PLUS Certified ... http://www.newegg.com/Product/Product.aspx?Item=N82E16817371015


Case:
NZXT GAMMA Classic Series GAMA-001BK Black Steel ATX Mid Tower Computer Case
http://www.newegg.com/Product/Product.aspx?Item=N82E16811146061
HDD:
SAMSUNG Spinpoint F4 HD322GJ/U 320GB 7200 RPM SATA 3.0Gb/s 3.5" Internal Hard Drive -Bare Drive
http://www.newegg.com/Product/Product.aspx?Item=N82E16822152244
MOBO
ASUS M4A79XTD EVO AM3 AMD 790X ATX AMD Motherboard
http://www.newegg.com/Product/Product.aspx?Item=N82E16813131402
GPU:
HIS H577FK1GD Radeon HD 5770 (Juniper XT) 1GB 128-bit GDDR5 PCI Express 2.0 x16 HDCP Ready CrossFireX Support Video Card
http://www.newegg.com/Product/Product.aspx?Item=N82E16814161338
CD:
SONY Black SATA DVD-ROM Drive Model DDU1681S-0B – OEM
http://www.newegg.com/Product/Product.aspx?Item=N82E16827118031
RAM:
G.SKILL 4GB (2 x 2GB) 240-Pin DDR3 SDRAM DDR3 1333 (PC3 10600) Dual Channel Kit Desktop Memory Model F3-10600CL9D-4GBNT
http://www.newegg.com/Product/Product.aspx?Item=N82E16820231253
CPU:
AMD Phenom II X4 955 Black Edition Deneb 3.2GHz Socket AM3 125W Quad-Core Processor HDZ955FBGMBOX
http://www.newegg.com/Product/Product.aspx?Item=N82E16819103808

Thank you,

Joe
3 answers Last reply Best Answer
More about will 650w sufficient build
  1. Best answer
    The EA-650 is more than enough for your build even w/ a 2nd 5770 and hard to choose anything else w/ its current $50 price tag.

    For future reference, use this:

    http://www.extreme.outervision.com/
  2. Yes 650w is enough to crossfire the 5770's.
  3. Best answer selected by flatbaler87.
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