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500 watt PSU Sufficient for GTX 560?

I wanted to buy a GTX 560, upgrading from a 550 because the 560s' price point has dropped since the 600s series came on the market.
But is my 500 watt PSU enough? I know I should get a better one sooner, but for now would it be okay? It would be a shame to have to buy two items at once :/.

My specs:
Phenom 2 960t OC'd to 3.8 gh 1.4325 volts
GTX 550 Cylcone II
500 GB 7200 RPM HDD
A880g+ motherboard
4gb DDR3 ram
COOLER MASTER eXtreme Power Plus RS500-PCARD3-US 500W ATX12V v2.3 Power Supply - 2 12V rails

Will I have to back off on my overclock? How much? If I do, will I have a cpu bottleneck, if any at all?

Finally, if I do need to upgrade my PSU, how many watts should I get? I'm thinking about 650 watts, because I usually don't have too much to spend on my computer :/

Thanks
14 answers Last reply Best Answer
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  1. Firstly, upgrading from a 550 to a 560? Can you get money back for the 550? That is an incremental upgrade considering the price. A 560 ti would be better if you are not going with a 600 series card.

    For any of the above cards, 500 Watt is fine
  2. NO, not any power supply that's 500 watts........... there was somebody on here in the past 2 days that had a 500 watt power supply that had 16amps to run everything. He was wondering why his machine wouldn't run right.

    this one on the other hand could do it.
  3. Generally, you should have a PSU about 100W over your needed wattage just in case of capacitor aging, overclocking, etc. For your build, it SHOULD be okay, but just to be safe, I'd recommend you using a 600W unit. Better safe than sorry.

    Source:
    http://extreme.outervision.com/PSUEngine
  4. That's not a quality 500W PSU. It's probably going to be okay, but if it were my computer I would buy a better PSU. Not necessarily much higher wattage, but a good quality unit from eg. Antec, Corsair, Seasonic, or XFX.

    Let me quote Hardwaresecrets on this:
    Quote:
    Cooler Master eXtreme Power Plus 500 W is the perfect example to explain why maximum power isn’t everything. This power supply can really deliver 500 W, but with efficiency above 80% only when you pull between 40% and 60% load (between 200 W and 300 W) and electrical noise level above the maximum allowed if you pull 80% load or more (i.e., starting at 400 W).

    http://www.hardwaresecrets.com/article/Cooler-Master-eXtreme-Power-Plus-500-W-Power-Supply-Review/728/10
  5. I think I mught just upgrade my psu to be safe. No sense but a new card if my system isn't rock hard stable. I might put my 550 on ebay or something - I don't know. Would my CPU bottleneck the 560?
  6. Jay-Z said:
    Firstly, upgrading from a 550 to a 560? Can you get money back for the 550? That is an incremental upgrade considering the price. A 560 ti would be better if you are not going with a 600 series card.

    For any of the above cards, 500 Watt is fine

    Incremental upgrade? Correct me if I am wrong, but isn't the 560 actually quite a bit better than a 550? I suppose it won't matter if I get a new PSU though. Part of my reason for getting a 560 was because I knew something like a 570 would be too much of a power draw.
  7. I don't think that power supply could pull it. Yet that power supply ran my 460.

    CPU should be fine.

    I wouldn't recommend the power supply, but I mean you're welcome to try it.

    And the 560 would be close to no upgrade on the 550Ti.
  8. Sorry, I didn't look into your power supply. Cooler master don't make good power supplies. A Corsair HX650 or TX650 would be brilliant for you.

    I would keep your 550, and save for a 7870.
  9. Best answer
    I'm in agreement with Jay-z if you are insistent on nvidia may even look at the 660ti which has the better performance I believe then a 560ti in SLi for 300 dollars plus if you have Arkham games you'll enjoy the physx otherwise yea AMD 7870 is a good bet. the 500 series just isn't as power efficient as the newer 600 series from Nvidia and AMD/ATi 7XXX series is.
  10. I believe your power supply has a little under 40amps. plenty to run that card.
  11. bigshootr8 said:
    I'm in agreement with Jay-z if you are insistent on nvidia may even look at the 660ti which has the better performance I believe then a 560ti in SLi for 300 dollars plus if you have Arkham games you'll enjoy the physx otherwise yea AMD 7870 is a good bet. the 500 series just isn't as power efficient as the newer 600 series from Nvidia and AMD/ATi 7XXX series is.

    I usually gravitate towards nvidia, yeah. The 7870 is maybe $30 less, but you don't get Physx. You also don't get adaptive Vsync, but I've never been a fan of Vsync anyways as I tend to get mouse lag. So I'm going to have to make a decision here :/.

    Now for my CPU. Wouldn't it bottleneck those cards? I first got my cpu because it was fairly proportional to the power of my 550. I intended to keep it for maybe a year after I got a 560, but that might not be happening. If I had been shooting for a card like the 660, I might have gone intel.

    But I can't really GO intel now. I had planned to keep this CPU for longer. So I bought a slightly cheaper motherboard that only supported AMD. I am very much aware it is a budget board, but it was just supposed to be able to run my CPU, nothing more except for maybe a little core unlocking which didn't really work out.

    If I end up getting a card like those listed before, I might have to gut my motherboard AND my CPU, along with everything else. So, how much WILL it hold back my system?
  12. No it wont be bottlenecking anything. Only reason why I suggested a 660ti is because you need a higher watt/amp power supply for it and with the two 560ti's versus the 660ti.
    Honestly, the component I would change above anything is your ram get 8-16 gigs of ddr3 1333/1600 whichever your motherboard supports your ram would be the first thing to get in the way.

    made a typo saying you needing more power with the 660ti's hopefully you understood.
  13. Sure it won't be a bottleneck? I've gotten tons of mixed answers, but I'll listen to you. I'm sure the overclock will help alleviate some of it.

    I know I should get more ram. I just got 4 gigs starting out because I knew it was about the minimum you should have. I fully intended to upgrade.

    Thanks everyone for the advice
  14. Best answer selected by sushia11.
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