Any idea why my 650W PSU might have blown? (GTX 770)

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MykyC

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Mar 28, 2014
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Any idea why this PSU might have blown?

I built this PC 2 months ago:

  • ■ i5 4670K
    ■ 2GB MSI GTX 770 LIGHTNING
    ■ Coolermaster GX 650W (RS650-ACAAD3-UK)
    ■ GByte Z87-HD3 MOBO

It crashed and would not turn back on. I tested the PSU and discovered that it had died. I intend to replace it and hopefully claim back on the warranty (if possible?).

Did I make a bad choice in PSU for this spec?
 
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Karadjgne

Karadjgne

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Dec 26, 2012
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Tier 4 - Not Recommend for stressful situations. May not be able to put out full rated power above room temperature, and may slightly fail to meet ATX specs.


Aerocool
Asus Atlas
BFG 1000 watt
Cooler Master eXtreme (only use 75% of labeled wattage)
Cooler Master GX (except 450w)

E-Power
Futurepower
Hale82n 650w

Hiper Type-M
HIPRO
Masscool
MGE XG
Mushkin HP
NorthQ 4775-500S/BU
OCZ Modstream (if manufactured before December 2007)
OCZ GameXStream <1000 watt (if manufactured before December 2007)
OCZ StealthXStream (if manufactured before December 2007)
OCZ GameXStream 1010 watt (essentially a 850watt power supply)
Scythe Kamariki
Sigma Shark
Sintek
TTGI/Superflower
Ultra Xfinity
Ultra X2 <less than 700 watt
Ultra XVS
Xion Real Power PowerReal

There are well made Coolermaster PSU's, unfortunately, yours is not one of them.

Tier1. Cooler Master V series 700, 850, 1kW

Tier2. Cooler Master Ultimate/UCP
Cooler Master GX 80 Plus 450W
Cooler Master Real Power Pro >greater than 800 watt

Tier3. Cooler Master Real Power Pro <less than 800 watt
Cooler Master iGreen
Cooler Master Silent (and gold) Pro

If you stick with CoolerMaster, recommend tier1 or 2, settle for tier3, RMA tier4 or 5

 
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cin19

cin19

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Mar 14, 2011
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There are two version the GX650, one is the RS650-ACAAE3 that is very bad, in the review it does not pass. But this one RS650-ACAAD3 is new version, it is good enough. http://www.kitguru.net/components/power-supplies/zardon/cooler-master-gx650-bronze-power-supply-review/
 
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Karadjgne

Karadjgne

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Dec 26, 2012
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Ok, so the original design made by Seventeam was very bad, tier 5 material. The 'newer' design made by Enhance, is almost as bad, dropping 12v to 11.4 when loaded, very loose 3.3v regulations, doesn't make rated wattage, basically fails atx standards at rated load. Yeah, even the 'new and improved' version (b.2011) I'd rate tier4.
 
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