I5 3570k and 6850 on 500 watts power supply

http://www.eggxpert.com/forums/thread/323050.aspx
That PSU is listed in tier 5 out of 5 for horrible quality. That's the sort of PSU that should be replaced ASAP.
http://realhardtechx.com/index_archivos/Page680.htm
Looking here, we can see that it's made by FSP and that's also not a good sign.
I can't find a professional review for it for further clarification, but I think that it's best to recommend getting a new power supply such as this:
http://pcpartpicker.com/part/antec-power-supply-bp550plus

Or this:
http://pcpartpicker.com/part/xfx-power-supply-p1550sxxb9
 

mastrom101

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Cooler Master extreme II?


For a PSU, I would recommend a Corsair TX V2 or TX M.
Most XFX and Seasonic PSU's are also good.
If you want a Cooler Master, The Silent Pro is a good choice.

I know it's hard to spend a lot on a power supply, but it's just not worth risking it.
 

Augray37

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no it's not. trust me, it's really not. 430W is fine for that rig plus major overclocking. 380W would even be fine. This is provided that the PSU is somewhat reputable, of course, like the corsair i suggested or seasonic, antec, etc. here's a good article that shows this...

http://www.tomshardware.com/reviews/phenom-ii-overclock-graphics-card,3032.html

I had nearly that exact rig for a year and it was just fine.
 

Augray37

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i defer to blazorthon, but personally, while there are clearly better quality PSUs out there, there are far more that are MUCH worse. i think the CX430 has got a killer price/performance ratio right now. spending $15 more to get the Seasonic 430 watter is always recommended though, of course.
 
Like I said, it's not a very good PSU. I didn't intend to imply that it's a bad PSU. The CX 430 (v1 and V2) are decent, they're just not very good. The Antec VP-450 is an above-average unit with an even lower price than the CX 430, hence I brought it up as a superior alternative. One issue with the CX 430 is that it uses poor-quality caps and the VP-450 seems to have a considerable advantage in that, especially considering the lower price.
 

PanicMaster85

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are you sure you want to go 6850? I had it and I mean it was good but just not as good as you might hope... get the 7850 its not much more for a big jump in performance... I know its about 70 more but the jump in performance is a great deal and you will last with this card for about 2 years easy
http://www.newegg.com/Product/Product.aspx?Item=N82E16814102984

and for the power supply yeah you can get that easy and also have some nice room for overclocking as long as you keep it like you say by only adding a 3570k and a 6850(get the 7850)

 

Augray37

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eesh...idk man...it's hard for me to say that a johnny guru recommended PSU that's 80 plus bronze, has a single instead of dual 12V rail, and has a 1 x 6+2pin pci-e connector instead of just a 6 pin and is just $5 more is inferior. not to be a butt, just sayin. :) but based on newegg reviews alone, you gotta give it to the VP-450.
 
My only problem with Jonny Guru is that those reviews don't necessarily give a good impression of failure rates. They test the power supplies excellently, but they simply don't test several to several dozen units for failure rate consistency (not that I expect anyone to do such work). That's where less professional stuff such as Newegg can come in handy... Sure, they're mostly not professional reviews, but they are far greater in sample size and that can make them statistically more relevant for determining failure rates.

Also, I've used several units of both the CX 430 v1 and v2 models in many builds and I can say that overall, the VP-450 has worked out better for me in reliability, especially with loads that are kinda high for their wattage ratings.

Also, I knwo that it doesn't have the rating for it, but the VP-450 is usually about 85% efficient like the good Bronze models are supposed to be. Even at like a 550W load, it can usually retain about 81% efficiency. It doesn't have the 80+ Bronze rating just because it lacks active PFC IIRC which although may be a little less than ideal, it's worth getting an otherwise better model than perhaps all other similarly priced models in almost every way. My only problem with the VP-450 is like you mentioned it's PCIe power connector only being a six-pin, but if I really want more, getting an adapter isn't expensive at all and it can still end up cheaper than its competition even if you have to buy an adapter.

Otherwise, I'd still go for something such as the Antec EarthWatts 430 instead of the CX 430.
 

Augray37

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that is very true. i've always had a problem with that myself. however, one thing i don't like about relying on newegg reviews is that a good chunk of the bad reviews are due to people not getting their MIR checks, which negatively skews the reviews. the CX430 has MIRs all the time, as do OCZ power supplies.
 


Of course, you're right about that. I prefer to skim through the reviews to *cross out* those that are obviously user error or for stuff such as MIR issues.
 

Augray37

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what makes you think it's your hard drive?