New PSU - my options?

So I've had some issues with my PC shutting down when gaming. Created a separate thread and the conclusion is to try a new PSU (thread - http://www.tomshardware.co.uk/answers/id-3568398/turns-warning-whilst-gaming.html).

My current spec:
Windows 7 64
Intel Core i7-4820K CPU @ 3.7GHz
16GB RAM
GeForce GTX 780 Ti
Gigabyte Technology X79-UP4
PSU Corsair CX750M
Usually run 2 monitors

Someone kindly posted some suggestions, but I'm not great with this stuff so figured I would ask for a number of opinions. So my options are:
- The same as I currently have - Corsair CX750M
- SeaSonic - FOCUS Plus Gold 650W 80+ Gold Certified
- Corsair - RMx 650W
- Other?

Any help is much appreciated. Thanks
Reply to baking
7 answers Last reply
More about psu options
  1. The older CXM units were not that good, newer models are alot better, if it was my personal choice I would choose the SeaSonic Focus 650w, than the RMx 650w, both are good unit's I am just a bit preferential to SeaSonic
    Reply to Snipergod87
  2. I would also get the Seasonic. I've had far better luck with them than Corsair over the years. Seasonic is consistently and reliably at or near the best.
    Reply to bjornl
  3. Same here, I wouldn't even think about another PSU other then Seasonic personally.
    Reply to jankerson
  4. Reading your other thread, I doubt that the psu is the cause.
    Double check that you are using the proper cables, and that they are inserted well into both ends.

    Corsair has a 5 year warranty and they are good about replacing a failed unit.
    To check, see if you can't borrow a known good psu to test with.
    If you can't borrow one, buy a replacement from a source that has a good return policy and a minimal restocking fee.
    The 650w Seasonic focus is an excellent buy; I am testing with one as I write.

    If your GTX780ti is overclocked, try reducing the overclock.
    Over time, parts can deteriorate.
    Reply to geofelt
  5. geofelt said:
    Reading your other thread, I doubt that the psu is the cause.
    Double check that you are using the proper cables, and that they are inserted well into both ends.

    Corsair has a 5 year warranty and they are good about replacing a failed unit.
    To check, see if you can't borrow a known good psu to test with.
    If you can't borrow one, buy a replacement from a source that has a good return policy and a minimal restocking fee.
    The 650w Seasonic focus is an excellent buy; I am testing with one as I write.

    If your GTX780ti is overclocked, try reducing the overclock.
    Over time, parts can deteriorate.


    I am not convinced either. Some games run completely run, others don't. Sometimes it crashes within a minute, sometimes it'll take an hour. What does it sound like to you?

    My idea was to buy a new PSU and if that doesn't solve it then return it and try other options.

    How would I reduce the overclock? Is it a simple case of going into BIOS and disable overclock, or is there more to it?
    Reply to baking
  6. When I hear crashing after a time, I think of heat issues. GPU or GPU.

    What is your case?
    Do you have good intake airflow?

    Try taking the case covers off and directing a house fan at the innards.
    If that fixes things, look to case cooling solutions.

    What is your cpu cooler?
    Sometimes liquid coolers go bad or get clogged up.
    An overclock on the cpu is done in the bios.
    Sometimes the one click overclocks are overly aggressive.

    On the GPU there is software available to adjust the fan profile and overclock.
    I might guess it is the gpu since it happens on demanding games.
    Reply to geofelt
  7. geofelt said:

    I might guess it is the gpu since it happens on demanding games.

    +1
    ____
    Reply to Vic 40
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