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Is my power supply sufficient for an MSI GTX 770?

I was looking into getting an MSI GTX 770 and want to know if I can use it with my 650 Watt power supply.
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More about power supply sufficient msi gtx 770
  1. What is the brand and model of the "650W" PSU? If it is a good one, like an Antec or Seasonic, it will be fine. If it is a PSU-shaped object like a Diablotek or Apevia, it might be good for half its label and would be unsuitable.
  2. Best answer
    You'll need at last a 600W PSU and make sure to have minimum of 42 amps in a single +12V rail (that is not split). BTW, I have the same problem as you. Mine's a MSI GTX770 Twin Frozr also. Funny thing is, my 750W Thermaltake W0117RU PSU is unable to power it properly and PC reboots (without any error log) when I try to game with ultra/high settings. That happens ONLY because it doesn't have enough amps (42A) on a single +12V rail (It has four separate rails each with max. capacity of only 18 amps) although providing way more wattage than needed. I'm looking to buy a new PSU now meeting the requirements.
  3. 50A on 12V mean that that rail can supply up to 600watts (50A*12V) which is enough for a gtx770.

    If your card has 2x 8pin connectors you should use them, card may end up with not enough juice supplied.

    @amit your PSU is rated at max. 60A on 12V so you should have no problems using a 770 with it
  4. Card manufacturers think you have a crappy PSU and you're perfectly fine...those adapters should be 2x 4pin molex to 6pin pcie auxiliary, don't use them! Your PSU should have enough cables
  5. F1Demon, this is NOT your thread; thread hijacking is against the rules. Your comments (and replies to them) will be deleted. Please start your own thread. Thanks.
  6. Onus said:
    F1Demon, this is NOT your thread; thread hijacking is against the rules. Your comments (and replies to them) will be deleted. Please start your own thread. Thanks.


    Sorry about that- hadn't realized!
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