550W Enough?

Is An Antec 550W Power Supply Enough For My PC Or Do I Need More?
My PC Specs:

Intel Core i5-2500K Sandy Bridge 3.3GHz (3.7GHz Turbo Boost)
1 GB PNY GTX560 (Not Ti)
CORSAIR Vengeance 8GB (2 x 4GB)

Is 550W Enough? Thanks :D :D
4 answers Last reply
More about 550w enough
  1. Should be fine, with some room to spare.
    Although a Radeon HD 6850/70 would outperform that 560 for around the same price point.
  2. obsama1 said:

    Don't know why you linked to an HIS product. There is a reason why it only has 68 reviews vs. this.
    SAPPHIRE Radeon HD 6870 1GB 256-bit GDDR5 $170
    or if you like dual fans
    XFX Double D Radeon HD 6870 1GB 256-bit GDDR5 $190

    If you don't believe the 6870 beats the GTX 560, see here http://www.anandtech.com/bench/Product/540?vs=543
    The GTX only reaches ahead in Nvidia biased games.
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