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550w psu good enough for sli

hi do you think this psu can handle 2x gtx 650 ti boost
http://www.newegg.com/Product/Product.aspx?Item=N82E16817194095

here are the specs i5 3570k asrock ex4 1tb hhd hyper 212 corsair vengace 2x4gb

and i will be doing a little oc maybe 4.2 max
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  1. Best answer
    yes. it will be enough for 650ti boost on SLI.
    here is a reference build with approximate power consumption which is like 480W, so 550W should be enough. Just make sure its a quality brand (Seasonic will be a good option) which provides stable voltage and current under high load. just wattage information is not enough to decide if the psu is good or not.

    PCPartPicker part list / Price breakdown by merchant / Benchmarks

    CPU: Intel Core i5-3570K 3.4GHz Quad-Core Processor ($169.99 @ Microcenter)
    CPU Cooler: Zalman CNPS9500 AT Ball Bearing CPU Cooler ($33.99 @ Newegg)
    Motherboard: Gigabyte GA-Z77X-UD3H ATX LGA1155 Motherboard ($139.99 @ Amazon)
    Memory: G.Skill Ripjaws X Series 16GB (2 x 8GB) DDR3-1600 Memory ($129.99 @ Newegg)
    Storage: Samsung 840 Pro Series 128GB 2.5" Solid State Disk ($124.99 @ NCIX US)
    Storage: Western Digital Caviar Blue 1TB 3.5" 7200RPM Internal Hard Drive ($62.98 @ Outlet PC)
    Video Card: MSI GeForce GTX 650 Ti Boost 2GB Video Card (2-Way SLI) ($174.98 @ Newegg)
    Video Card: MSI GeForce GTX 650 Ti Boost 2GB Video Card (2-Way SLI) ($174.98 @ Newegg)
    Case: Cooler Master Storm Scout 2 (Black) ATX Mid Tower Case ($79.99 @ Newegg)
    Power Supply: Rosewill Hive 550W 80 PLUS Bronze Certified ATX12V / EPS12V Power Supply ($56.00 @ Newegg)
    Optical Drive: Asus DRW-24B1ST/BLK/B/AS DVD/CD Writer ($17.99 @ Newegg)
    Total: $1185.87
    (Prices include shipping, taxes, and discounts when available.)
    (Generated by PCPartPicker 2013-05-24 05:01 EDT-0400)
  2. It is recommended to have a 600 W psu for sli'ing those cards. Also, if you are planning to oc, you might want to consider something slightly larger (650W - 750W) depending on how heavily you will be oc'ing.
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