Cooler master gx 550w psu bad or good for gigabyte gtx 760

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Faisal Askani

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Hi all.. im currently using this Cooler Master GX 550W Bronze 80 Plus PSU with my current rig.. I don't know but for some reason people here saying that this PSU sucks and is known for damaging hardware. Am on tight budget and can't buy another one right now..does anyone have any Good/Bad experiences with GX 550w PSU Please Help!

Reason i'm asking is im worried. I just recently build a new rig and I don't want to fry any of the components due to the malfunctioning of the PSU!.... Plaaning to upgrade to gigabyte gtx 760 rev.2.0... Plz help me.
 
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Faisal Askani

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Mine is this one>>>>>>> http://www.coolermaster.com/powersupply/gx-series/gx-550w/
 
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clutchc

clutchc

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According to the specs, the +12V rail is rated at 44A @ 528W. That should be sufficient for a GTX 760.
Here's a review of its little brother, the GX 450W: http://www.jonnyguru.com/modules.php?name=NDReviews&op=Story&reid=231
The master gives it a passing grade, so maybe your GX series isn't the same one in the tiered list. I'd go ahead and use it.
 
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Faisal Askani

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Thank you

Just last question if a psu is not good enough then does it damge components or system just shut down...
 
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clutchc

clutchc

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On rare occasions, a cheaply made PSU may self-destruct and take something else out along with it. It happens. But most of the time, PSUs simply loose a capacitor or diode and quit working. Personally, I've never had an inexpensive PSU damage any of my builds, but others say they have. Generally, if the PSU is too weak, it simply will cause performance issues. Or cause shut downs/reboots. Always look for the UL label (or your country's equivalent) on the PSU to be assured it has been rigorously tested in a lab before marketing it. And buy a brand name like Corsair, XFX, Seasonic, Antec, FSP, etc. And check with Johnny Guru's site for the final word on it.
 
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Derza10

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That GX 450 is a tier 2b PSU, it is not the same as his 550w which is tier 4. And in noway reflects the GX 550 performance.

That being said the 550 is usable as long as you do not stress it very much, being that the GTX 760 only requires 30 amps it SHOULD be okay to use with it (as stated above your PSU is advertised to provide up to 44 amps on the 12v rail), but if you have the extra cash i'd recommend replacing the PSU.

Bah lol posted in the wrong thread, another person was asking about this PSU not sure how i got directed into a post from over a year ago... sorry everyone Ignore this!
 
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